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Finding the Fourth Proportional to 433,177.62, 648,499.71 and 252,711.24

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Solution

The fourth proportional to 433,177.62, 648,499.71 and 252,711.24 is: 378,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,177.62 : 648,499.71 = 252,711.24 : x
  2. Step 2: Convert to fraction form
    433,177.62/648,499.71 = 252,711.24/x
  3. Step 3: Cross multiply
    433,177.62x = 648,499.71 × 252,711.24
  4. Step 4: Simplify right side
    433,177.62x = 163,883,165,853.74
  5. Step 5: Solve for x
    x = 163,883,165,853.74/433,177.62
  6. Step 6: Final answer
    x = 378,327.87

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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.