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Finding the Fourth Proportional to 558,757.20, 838,168.20 and 159,427.20

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Solution

The fourth proportional to 558,757.20, 838,168.20 and 159,427.20 is: 239,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,757.20 : 838,168.20 = 159,427.20 : x
  2. Step 2: Convert to fraction form
    558,757.20/838,168.20 = 159,427.20/x
  3. Step 3: Cross multiply
    558,757.20x = 838,168.20 × 159,427.20
  4. Step 4: Simplify right side
    558,757.20x = 133,626,809,255.04
  5. Step 5: Solve for x
    x = 133,626,809,255.04/558,757.20
  6. Step 6: Final answer
    x = 239,150.04

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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.