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Finding the Fourth Proportional to 577,497.60, 865,324.80 and 483,494.40

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Solution

The fourth proportional to 577,497.60, 865,324.80 and 483,494.40 is: 724,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,497.60 : 865,324.80 = 483,494.40 : x
  2. Step 2: Convert to fraction form
    577,497.60/865,324.80 = 483,494.40/x
  3. Step 3: Cross multiply
    577,497.60x = 865,324.80 × 483,494.40
  4. Step 4: Simplify right side
    577,497.60x = 418,379,694,981.12
  5. Step 5: Solve for x
    x = 418,379,694,981.12/577,497.60
  6. Step 6: Final answer
    x = 724,470.02

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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.