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Finding the Fourth Proportional to 338,469.48, 507,737.93 and 125,294.42

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Solution

The fourth proportional to 338,469.48, 507,737.93 and 125,294.42 is: 187,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,469.48 : 507,737.93 = 125,294.42 : x
  2. Step 2: Convert to fraction form
    338,469.48/507,737.93 = 125,294.42/x
  3. Step 3: Cross multiply
    338,469.48x = 507,737.93 × 125,294.42
  4. Step 4: Simplify right side
    338,469.48x = 63,616,729,451.35
  5. Step 5: Solve for x
    x = 63,616,729,451.35/338,469.48
  6. Step 6: Final answer
    x = 187,954.11

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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.