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Finding the Fourth Proportional to 732,636.10, 1,098,954.15 and 520,059.70

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Solution

The fourth proportional to 732,636.10, 1,098,954.15 and 520,059.70 is: 780,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,636.10 : 1,098,954.15 = 520,059.70 : x
  2. Step 2: Convert to fraction form
    732,636.10/1,098,954.15 = 520,059.70/x
  3. Step 3: Cross multiply
    732,636.10x = 1,098,954.15 × 520,059.70
  4. Step 4: Simplify right side
    732,636.10x = 571,521,765,562.76
  5. Step 5: Solve for x
    x = 571,521,765,562.76/732,636.10
  6. Step 6: Final answer
    x = 780,089.55

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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.