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Finding the Fourth Proportional to 365,468.79, 548,240.79 and 137,956.04

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Solution

The fourth proportional to 365,468.79, 548,240.79 and 137,956.04 is: 206,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,468.79 : 548,240.79 = 137,956.04 : x
  2. Step 2: Convert to fraction form
    365,468.79/548,240.79 = 137,956.04/x
  3. Step 3: Cross multiply
    365,468.79x = 548,240.79 × 137,956.04
  4. Step 4: Simplify right side
    365,468.79x = 75,633,128,354.87
  5. Step 5: Solve for x
    x = 75,633,128,354.87/365,468.79
  6. Step 6: Final answer
    x = 206,948.26

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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.