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Finding the Fourth Proportional to 486,030.10, 729,045.15 and 441,706.90

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Solution

The fourth proportional to 486,030.10, 729,045.15 and 441,706.90 is: 662,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,030.10 : 729,045.15 = 441,706.90 : x
  2. Step 2: Convert to fraction form
    486,030.10/729,045.15 = 441,706.90/x
  3. Step 3: Cross multiply
    486,030.10x = 729,045.15 × 441,706.90
  4. Step 4: Simplify right side
    486,030.10x = 322,024,273,166.54
  5. Step 5: Solve for x
    x = 322,024,273,166.54/486,030.10
  6. Step 6: Final answer
    x = 662,560.35

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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.