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Finding the Fourth Proportional to 598,615.80, 897,966.90 and 361,447.80

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Solution

The fourth proportional to 598,615.80, 897,966.90 and 361,447.80 is: 542,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,615.80 : 897,966.90 = 361,447.80 : x
  2. Step 2: Convert to fraction form
    598,615.80/897,966.90 = 361,447.80/x
  3. Step 3: Cross multiply
    598,615.80x = 897,966.90 × 361,447.80
  4. Step 4: Simplify right side
    598,615.80x = 324,568,160,477.82
  5. Step 5: Solve for x
    x = 324,568,160,477.82/598,615.80
  6. Step 6: Final answer
    x = 542,197.78

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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.