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Finding the Fourth Proportional to 440,462.52, 661,079.34 and 227,374.20

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Solution

The fourth proportional to 440,462.52, 661,079.34 and 227,374.20 is: 341,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,462.52 : 661,079.34 = 227,374.20 : x
  2. Step 2: Convert to fraction form
    440,462.52/661,079.34 = 227,374.20/x
  3. Step 3: Cross multiply
    440,462.52x = 661,079.34 × 227,374.20
  4. Step 4: Simplify right side
    440,462.52x = 150,312,386,069.03
  5. Step 5: Solve for x
    x = 150,312,386,069.03/440,462.52
  6. Step 6: Final answer
    x = 341,260.33

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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.