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Finding the Fourth Proportional to 488,807.70, 733,211.55 and 320,846.10

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Solution

The fourth proportional to 488,807.70, 733,211.55 and 320,846.10 is: 481,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,807.70 : 733,211.55 = 320,846.10 : x
  2. Step 2: Convert to fraction form
    488,807.70/733,211.55 = 320,846.10/x
  3. Step 3: Cross multiply
    488,807.70x = 733,211.55 × 320,846.10
  4. Step 4: Simplify right side
    488,807.70x = 235,248,066,292.46
  5. Step 5: Solve for x
    x = 235,248,066,292.46/488,807.70
  6. Step 6: Final answer
    x = 481,269.15

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Similar ratio
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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.