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Finding the Fourth Proportional to 375,114.92, 561,464.18 and 247,136.89

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Solution

The fourth proportional to 375,114.92, 561,464.18 and 247,136.89 is: 369,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,114.92 : 561,464.18 = 247,136.89 : x
  2. Step 2: Convert to fraction form
    375,114.92/561,464.18 = 247,136.89/x
  3. Step 3: Cross multiply
    375,114.92x = 561,464.18 × 247,136.89
  4. Step 4: Simplify right side
    375,114.92x = 138,758,508,958.16
  5. Step 5: Solve for x
    x = 138,758,508,958.16/375,114.92
  6. Step 6: Final answer
    x = 369,909.33

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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.