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Finding the Fourth Proportional to 577,204.10, 865,806.12 and 156,469.04

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Solution

The fourth proportional to 577,204.10, 865,806.12 and 156,469.04 is: 234,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,204.10 : 865,806.12 = 156,469.04 : x
  2. Step 2: Convert to fraction form
    577,204.10/865,806.12 = 156,469.04/x
  3. Step 3: Cross multiply
    577,204.10x = 865,806.12 × 156,469.04
  4. Step 4: Simplify right side
    577,204.10x = 135,471,852,422.53
  5. Step 5: Solve for x
    x = 135,471,852,422.53/577,204.10
  6. Step 6: Final answer
    x = 234,703.55

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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.