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Finding the Fourth Proportional to 477,809.53, 715,873.53 and 449,363.95

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Solution

The fourth proportional to 477,809.53, 715,873.53 and 449,363.95 is: 673,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,809.53 : 715,873.53 = 449,363.95 : x
  2. Step 2: Convert to fraction form
    477,809.53/715,873.53 = 449,363.95/x
  3. Step 3: Cross multiply
    477,809.53x = 715,873.53 × 449,363.95
  4. Step 4: Simplify right side
    477,809.53x = 321,687,761,063.46
  5. Step 5: Solve for x
    x = 321,687,761,063.46/477,809.53
  6. Step 6: Final answer
    x = 673,255.22

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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.