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Finding the Fourth Proportional to 486,475.50, 730,045.42 and 170,932.44

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Solution

The fourth proportional to 486,475.50, 730,045.42 and 170,932.44 is: 256,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,475.50 : 730,045.42 = 170,932.44 : x
  2. Step 2: Convert to fraction form
    486,475.50/730,045.42 = 170,932.44/x
  3. Step 3: Cross multiply
    486,475.50x = 730,045.42 × 170,932.44
  4. Step 4: Simplify right side
    486,475.50x = 124,788,444,951.43
  5. Step 5: Solve for x
    x = 124,788,444,951.43/486,475.50
  6. Step 6: Final answer
    x = 256,515.37

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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.