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Finding the Fourth Proportional to 383,613.64, 575,422.28 and 117,373.73

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Solution

The fourth proportional to 383,613.64, 575,422.28 and 117,373.73 is: 176,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,613.64 : 575,422.28 = 117,373.73 : x
  2. Step 2: Convert to fraction form
    383,613.64/575,422.28 = 117,373.73/x
  3. Step 3: Cross multiply
    383,613.64x = 575,422.28 × 117,373.73
  4. Step 4: Simplify right side
    383,613.64x = 67,539,456,304.88
  5. Step 5: Solve for x
    x = 67,539,456,304.88/383,613.64
  6. Step 6: Final answer
    x = 176,061.15

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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.