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Finding the Fourth Proportional to 356,250.56, 534,020.80 and 178,214.08

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Solution

The fourth proportional to 356,250.56, 534,020.80 and 178,214.08 is: 267,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,250.56 : 534,020.80 = 178,214.08 : x
  2. Step 2: Convert to fraction form
    356,250.56/534,020.80 = 178,214.08/x
  3. Step 3: Cross multiply
    356,250.56x = 534,020.80 × 178,214.08
  4. Step 4: Simplify right side
    356,250.56x = 95,170,025,572.86
  5. Step 5: Solve for x
    x = 95,170,025,572.86/356,250.56
  6. Step 6: Final answer
    x = 267,143.51

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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.