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Finding the Fourth Proportional to 488,689.70, 733,034.55 and 488,689.70

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Solution

The fourth proportional to 488,689.70, 733,034.55 and 488,689.70 is: 733,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,689.70 : 733,034.55 = 488,689.70 : x
  2. Step 2: Convert to fraction form
    488,689.70/733,034.55 = 488,689.70/x
  3. Step 3: Cross multiply
    488,689.70x = 733,034.55 × 488,689.70
  4. Step 4: Simplify right side
    488,689.70x = 358,226,434,329.14
  5. Step 5: Solve for x
    x = 358,226,434,329.14/488,689.70
  6. Step 6: Final answer
    x = 733,034.55

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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.