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Finding the Fourth Proportional to 625,777.56, 936,095.56 and 499,664.11

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Solution

The fourth proportional to 625,777.56, 936,095.56 and 499,664.11 is: 747,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,777.56 : 936,095.56 = 499,664.11 : x
  2. Step 2: Convert to fraction form
    625,777.56/936,095.56 = 499,664.11/x
  3. Step 3: Cross multiply
    625,777.56x = 936,095.56 × 499,664.11
  4. Step 4: Simplify right side
    625,777.56x = 467,733,354,862.35
  5. Step 5: Solve for x
    x = 467,733,354,862.35/625,777.56
  6. Step 6: Final answer
    x = 747,443.48

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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.