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Finding the Fourth Proportional to 577,591.12, 866,170.96 and 198,404.24

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Solution

The fourth proportional to 577,591.12, 866,170.96 and 198,404.24 is: 297,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,591.12 : 866,170.96 = 198,404.24 : x
  2. Step 2: Convert to fraction form
    577,591.12/866,170.96 = 198,404.24/x
  3. Step 3: Cross multiply
    577,591.12x = 866,170.96 × 198,404.24
  4. Step 4: Simplify right side
    577,591.12x = 171,851,991,028.87
  5. Step 5: Solve for x
    x = 171,851,991,028.87/577,591.12
  6. Step 6: Final answer
    x = 297,532.26

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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.