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Finding the Fourth Proportional to 488,327.28, 732,724.24 and 311,034.48

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Solution

The fourth proportional to 488,327.28, 732,724.24 and 311,034.48 is: 466,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,327.28 : 732,724.24 = 311,034.48 : x
  2. Step 2: Convert to fraction form
    488,327.28/732,724.24 = 311,034.48/x
  3. Step 3: Cross multiply
    488,327.28x = 732,724.24 × 311,034.48
  4. Step 4: Simplify right side
    488,327.28x = 227,902,502,971.80
  5. Step 5: Solve for x
    x = 227,902,502,971.80/488,327.28
  6. Step 6: Final answer
    x = 466,700.33

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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.