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Finding the Fourth Proportional to 577,272.60, 865,542.11 and 506,337.66

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Solution

The fourth proportional to 577,272.60, 865,542.11 and 506,337.66 is: 759,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,272.60 : 865,542.11 = 506,337.66 : x
  2. Step 2: Convert to fraction form
    577,272.60/865,542.11 = 506,337.66/x
  3. Step 3: Cross multiply
    577,272.60x = 865,542.11 × 506,337.66
  4. Step 4: Simplify right side
    577,272.60x = 438,256,564,077.17
  5. Step 5: Solve for x
    x = 438,256,564,077.17/577,272.60
  6. Step 6: Final answer
    x = 759,184.77

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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.