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Finding the Fourth Proportional to 664,351.20, 999,151.20 and 596,116.80

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Solution

The fourth proportional to 664,351.20, 999,151.20 and 596,116.80 is: 896,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,351.20 : 999,151.20 = 596,116.80 : x
  2. Step 2: Convert to fraction form
    664,351.20/999,151.20 = 596,116.80/x
  3. Step 3: Cross multiply
    664,351.20x = 999,151.20 × 596,116.80
  4. Step 4: Simplify right side
    664,351.20x = 595,610,816,060.16
  5. Step 5: Solve for x
    x = 595,610,816,060.16/664,351.20
  6. Step 6: Final answer
    x = 896,530.05

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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.