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Finding the Fourth Proportional to 617,981.30, 927,663.15 and 577,373.30

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Solution

The fourth proportional to 617,981.30, 927,663.15 and 577,373.30 is: 866,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,981.30 : 927,663.15 = 577,373.30 : x
  2. Step 2: Convert to fraction form
    617,981.30/927,663.15 = 577,373.30/x
  3. Step 3: Cross multiply
    617,981.30x = 927,663.15 × 577,373.30
  4. Step 4: Simplify right side
    617,981.30x = 535,607,934,203.90
  5. Step 5: Solve for x
    x = 535,607,934,203.90/617,981.30
  6. Step 6: Final answer
    x = 866,705.73

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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.