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Finding the Fourth Proportional to 616,892.60, 926,721.30 and 591,702.20

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Solution

The fourth proportional to 616,892.60, 926,721.30 and 591,702.20 is: 888,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,892.60 : 926,721.30 = 591,702.20 : x
  2. Step 2: Convert to fraction form
    616,892.60/926,721.30 = 591,702.20/x
  3. Step 3: Cross multiply
    616,892.60x = 926,721.30 × 591,702.20
  4. Step 4: Simplify right side
    616,892.60x = 548,343,031,996.86
  5. Step 5: Solve for x
    x = 548,343,031,996.86/616,892.60
  6. Step 6: Final answer
    x = 888,879.25

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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.