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Finding the Fourth Proportional to 598,278.80, 897,418.20 and 508,077.20

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Solution

The fourth proportional to 598,278.80, 897,418.20 and 508,077.20 is: 762,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,278.80 : 897,418.20 = 508,077.20 : x
  2. Step 2: Convert to fraction form
    598,278.80/897,418.20 = 508,077.20/x
  3. Step 3: Cross multiply
    598,278.80x = 897,418.20 × 508,077.20
  4. Step 4: Simplify right side
    598,278.80x = 455,957,726,285.04
  5. Step 5: Solve for x
    x = 455,957,726,285.04/598,278.80
  6. Step 6: Final answer
    x = 762,115.80

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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.