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Finding the Fourth Proportional to 452,768.03, 679,250.06 and 137,248.73

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Solution

The fourth proportional to 452,768.03, 679,250.06 and 137,248.73 is: 205,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,768.03 : 679,250.06 = 137,248.73 : x
  2. Step 2: Convert to fraction form
    452,768.03/679,250.06 = 137,248.73/x
  3. Step 3: Cross multiply
    452,768.03x = 679,250.06 × 137,248.73
  4. Step 4: Simplify right side
    452,768.03x = 93,226,209,613.99
  5. Step 5: Solve for x
    x = 93,226,209,613.99/452,768.03
  6. Step 6: Final answer
    x = 205,902.81

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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.