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Finding the Fourth Proportional to 435,760.10, 653,640.15 and 404,267.30

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Solution

The fourth proportional to 435,760.10, 653,640.15 and 404,267.30 is: 606,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,760.10 : 653,640.15 = 404,267.30 : x
  2. Step 2: Convert to fraction form
    435,760.10/653,640.15 = 404,267.30/x
  3. Step 3: Cross multiply
    435,760.10x = 653,640.15 × 404,267.30
  4. Step 4: Simplify right side
    435,760.10x = 264,245,338,612.10
  5. Step 5: Solve for x
    x = 264,245,338,612.10/435,760.10
  6. Step 6: Final answer
    x = 606,400.95

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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.