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Finding the Fourth Proportional to 488,721,983.40, 733,082,975.10 and 488,721,983.40

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Solution

The fourth proportional to 488,721,983.40, 733,082,975.10 and 488,721,983.40 is: 733,082,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,721,983.40 : 733,082,975.10 = 488,721,983.40 : x
  2. Step 2: Convert to fraction form
    488,721,983.40/733,082,975.10 = 488,721,983.40/x
  3. Step 3: Cross multiply
    488,721,983.40x = 733,082,975.10 × 488,721,983.40
  4. Step 4: Simplify right side
    488,721,983.40x = 358,273,765,587,644,800
  5. Step 5: Solve for x
    x = 358,273,765,587,644,800/488,721,983.40
  6. Step 6: Final answer
    x = 733,082,975.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.