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Finding the Fourth Proportional to 598,521.11, 897,772.73 and 278,493.75

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Solution

The fourth proportional to 598,521.11, 897,772.73 and 278,493.75 is: 417,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,521.11 : 897,772.73 = 278,493.75 : x
  2. Step 2: Convert to fraction form
    598,521.11/897,772.73 = 278,493.75/x
  3. Step 3: Cross multiply
    598,521.11x = 897,772.73 × 278,493.75
  4. Step 4: Simplify right side
    598,521.11x = 250,024,092,832.97
  5. Step 5: Solve for x
    x = 250,024,092,832.97/598,521.11
  6. Step 6: Final answer
    x = 417,736.47

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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.