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Finding the Fourth Proportional to 598,517.61, 897,767.50 and 278,490.25

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Solution

The fourth proportional to 598,517.61, 897,767.50 and 278,490.25 is: 417,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,517.61 : 897,767.50 = 278,490.25 : x
  2. Step 2: Convert to fraction form
    598,517.61/897,767.50 = 278,490.25/x
  3. Step 3: Cross multiply
    598,517.61x = 897,767.50 × 278,490.25
  4. Step 4: Simplify right side
    598,517.61x = 250,019,495,516.88
  5. Step 5: Solve for x
    x = 250,019,495,516.88/598,517.61
  6. Step 6: Final answer
    x = 417,731.23

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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.