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Finding the Fourth Proportional to 383,232.59, 574,937.92 and 130,515.26

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Solution

The fourth proportional to 383,232.59, 574,937.92 and 130,515.26 is: 195,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,232.59 : 574,937.92 = 130,515.26 : x
  2. Step 2: Convert to fraction form
    383,232.59/574,937.92 = 130,515.26/x
  3. Step 3: Cross multiply
    383,232.59x = 574,937.92 × 130,515.26
  4. Step 4: Simplify right side
    383,232.59x = 75,038,172,112.66
  5. Step 5: Solve for x
    x = 75,038,172,112.66/383,232.59
  6. Step 6: Final answer
    x = 195,803.21

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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.