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Finding the Fourth Proportional to 616,127.20, 924,190.80 and 607,832.80

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Solution

The fourth proportional to 616,127.20, 924,190.80 and 607,832.80 is: 911,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,127.20 : 924,190.80 = 607,832.80 : x
  2. Step 2: Convert to fraction form
    616,127.20/924,190.80 = 607,832.80/x
  3. Step 3: Cross multiply
    616,127.20x = 924,190.80 × 607,832.80
  4. Step 4: Simplify right side
    616,127.20x = 561,753,481,698.24
  5. Step 5: Solve for x
    x = 561,753,481,698.24/616,127.20
  6. Step 6: Final answer
    x = 911,749.20

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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.