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Finding the Fourth Proportional to 592,144.80, 888,217.20 and 488,464.80

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Solution

The fourth proportional to 592,144.80, 888,217.20 and 488,464.80 is: 732,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,144.80 : 888,217.20 = 488,464.80 : x
  2. Step 2: Convert to fraction form
    592,144.80/888,217.20 = 488,464.80/x
  3. Step 3: Cross multiply
    592,144.80x = 888,217.20 × 488,464.80
  4. Step 4: Simplify right side
    592,144.80x = 433,862,836,954.56
  5. Step 5: Solve for x
    x = 433,862,836,954.56/592,144.80
  6. Step 6: Final answer
    x = 732,697.20

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Double scale
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Similar ratio
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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.