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Finding the Fourth Proportional to 383,737.12, 575,277.44 and 147,249.52

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Solution

The fourth proportional to 383,737.12, 575,277.44 and 147,249.52 is: 220,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,737.12 : 575,277.44 = 147,249.52 : x
  2. Step 2: Convert to fraction form
    383,737.12/575,277.44 = 147,249.52/x
  3. Step 3: Cross multiply
    383,737.12x = 575,277.44 × 147,249.52
  4. Step 4: Simplify right side
    383,737.12x = 84,709,326,906.83
  5. Step 5: Solve for x
    x = 84,709,326,906.83/383,737.12
  6. Step 6: Final answer
    x = 220,748.33

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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.