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Finding the Fourth Proportional to 383,529.31, 575,201.69 and 117,292.13

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Solution

The fourth proportional to 383,529.31, 575,201.69 and 117,292.13 is: 175,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,529.31 : 575,201.69 = 117,292.13 : x
  2. Step 2: Convert to fraction form
    383,529.31/575,201.69 = 117,292.13/x
  3. Step 3: Cross multiply
    383,529.31x = 575,201.69 × 117,292.13
  4. Step 4: Simplify right side
    383,529.31x = 67,466,630,534.08
  5. Step 5: Solve for x
    x = 67,466,630,534.08/383,529.31
  6. Step 6: Final answer
    x = 175,909.97

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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.