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Finding the Fourth Proportional to 435,760.04, 653,640.58 and 136,242.19

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Solution

The fourth proportional to 435,760.04, 653,640.58 and 136,242.19 is: 204,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,760.04 : 653,640.58 = 136,242.19 : x
  2. Step 2: Convert to fraction form
    435,760.04/653,640.58 = 136,242.19/x
  3. Step 3: Cross multiply
    435,760.04x = 653,640.58 × 136,242.19
  4. Step 4: Simplify right side
    435,760.04x = 89,053,423,410.86
  5. Step 5: Solve for x
    x = 89,053,423,410.86/435,760.04
  6. Step 6: Final answer
    x = 204,363.45

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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.