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Finding the Fourth Proportional to 500,377.38, 750,643.82 and 168,031.14

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Solution

The fourth proportional to 500,377.38, 750,643.82 and 168,031.14 is: 252,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,377.38 : 750,643.82 = 168,031.14 : x
  2. Step 2: Convert to fraction form
    500,377.38/750,643.82 = 168,031.14/x
  3. Step 3: Cross multiply
    500,377.38x = 750,643.82 × 168,031.14
  4. Step 4: Simplify right side
    500,377.38x = 126,131,536,808.56
  5. Step 5: Solve for x
    x = 126,131,536,808.56/500,377.38
  6. Step 6: Final answer
    x = 252,072.82

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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.