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Finding the Fourth Proportional to 363,648.87, 545,559.15 and 114,330.87

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Solution

The fourth proportional to 363,648.87, 545,559.15 and 114,330.87 is: 171,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,648.87 : 545,559.15 = 114,330.87 : x
  2. Step 2: Convert to fraction form
    363,648.87/545,559.15 = 114,330.87/x
  3. Step 3: Cross multiply
    363,648.87x = 545,559.15 × 114,330.87
  4. Step 4: Simplify right side
    363,648.87x = 62,374,249,528.16
  5. Step 5: Solve for x
    x = 62,374,249,528.16/363,648.87
  6. Step 6: Final answer
    x = 171,523.29

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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.