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Finding the Fourth Proportional to 363,648.62, 545,558.78 and 114,330.62

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Solution

The fourth proportional to 363,648.62, 545,558.78 and 114,330.62 is: 171,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,648.62 : 545,558.78 = 114,330.62 : x
  2. Step 2: Convert to fraction form
    363,648.62/545,558.78 = 114,330.62/x
  3. Step 3: Cross multiply
    363,648.62x = 545,558.78 × 114,330.62
  4. Step 4: Simplify right side
    363,648.62x = 62,374,070,264.40
  5. Step 5: Solve for x
    x = 62,374,070,264.40/363,648.62
  6. Step 6: Final answer
    x = 171,522.91

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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.