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Finding the Fourth Proportional to 491,052.41, 736,363.89 and 247,743.80

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Solution

The fourth proportional to 491,052.41, 736,363.89 and 247,743.80 is: 371,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,052.41 : 736,363.89 = 247,743.80 : x
  2. Step 2: Convert to fraction form
    491,052.41/736,363.89 = 247,743.80/x
  3. Step 3: Cross multiply
    491,052.41x = 736,363.89 × 247,743.80
  4. Step 4: Simplify right side
    491,052.41x = 182,429,588,291.38
  5. Step 5: Solve for x
    x = 182,429,588,291.38/491,052.41
  6. Step 6: Final answer
    x = 371,507.37

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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.