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Finding the Fourth Proportional to 348,149.39, 522,251.87 and 148,471.56

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Solution

The fourth proportional to 348,149.39, 522,251.87 and 148,471.56 is: 222,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,149.39 : 522,251.87 = 148,471.56 : x
  2. Step 2: Convert to fraction form
    348,149.39/522,251.87 = 148,471.56/x
  3. Step 3: Cross multiply
    348,149.39x = 522,251.87 × 148,471.56
  4. Step 4: Simplify right side
    348,149.39x = 77,539,549,109.46
  5. Step 5: Solve for x
    x = 77,539,549,109.46/348,149.39
  6. Step 6: Final answer
    x = 222,719.19

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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.