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Finding the Fourth Proportional to 383,572.27, 575,337.69 and 117,332.81

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Solution

The fourth proportional to 383,572.27, 575,337.69 and 117,332.81 is: 175,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,572.27 : 575,337.69 = 117,332.81 : x
  2. Step 2: Convert to fraction form
    383,572.27/575,337.69 = 117,332.81/x
  3. Step 3: Cross multiply
    383,572.27x = 575,337.69 × 117,332.81
  4. Step 4: Simplify right side
    383,572.27x = 67,505,989,304.95
  5. Step 5: Solve for x
    x = 67,505,989,304.95/383,572.27
  6. Step 6: Final answer
    x = 175,992.88

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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.