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Finding the Fourth Proportional to 451,062.90, 676,593.54 and 198,282.96

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Solution

The fourth proportional to 451,062.90, 676,593.54 and 198,282.96 is: 297,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,062.90 : 676,593.54 = 198,282.96 : x
  2. Step 2: Convert to fraction form
    451,062.90/676,593.54 = 198,282.96/x
  3. Step 3: Cross multiply
    451,062.90x = 676,593.54 × 198,282.96
  4. Step 4: Simplify right side
    451,062.90x = 134,156,969,828.08
  5. Step 5: Solve for x
    x = 134,156,969,828.08/451,062.90
  6. Step 6: Final answer
    x = 297,424.08

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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.