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Finding the Fourth Proportional to 452,768.16, 679,250.25 and 137,248.86

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Solution

The fourth proportional to 452,768.16, 679,250.25 and 137,248.86 is: 205,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,768.16 : 679,250.25 = 137,248.86 : x
  2. Step 2: Convert to fraction form
    452,768.16/679,250.25 = 137,248.86/x
  3. Step 3: Cross multiply
    452,768.16x = 679,250.25 × 137,248.86
  4. Step 4: Simplify right side
    452,768.16x = 93,226,321,780.97
  5. Step 5: Solve for x
    x = 93,226,321,780.97/452,768.16
  6. Step 6: Final answer
    x = 205,903.00

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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.