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Finding the Fourth Proportional to 558,841.80, 838,197.90 and 159,544.20

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Solution

The fourth proportional to 558,841.80, 838,197.90 and 159,544.20 is: 239,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,841.80 : 838,197.90 = 159,544.20 : x
  2. Step 2: Convert to fraction form
    558,841.80/838,197.90 = 159,544.20/x
  3. Step 3: Cross multiply
    558,841.80x = 838,197.90 × 159,544.20
  4. Step 4: Simplify right side
    558,841.80x = 133,729,613,397.18
  5. Step 5: Solve for x
    x = 133,729,613,397.18/558,841.80
  6. Step 6: Final answer
    x = 239,297.80

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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.