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Finding the Fourth Proportional to 416,827.98, 625,294.89 and 132,417.09

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Solution

The fourth proportional to 416,827.98, 625,294.89 and 132,417.09 is: 198,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,827.98 : 625,294.89 = 132,417.09 : x
  2. Step 2: Convert to fraction form
    416,827.98/625,294.89 = 132,417.09/x
  3. Step 3: Cross multiply
    416,827.98x = 625,294.89 × 132,417.09
  4. Step 4: Simplify right side
    416,827.98x = 82,799,729,725.67
  5. Step 5: Solve for x
    x = 82,799,729,725.67/416,827.98
  6. Step 6: Final answer
    x = 198,642.45

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1.5x scale

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.