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Finding the Fourth Proportional to 440,856.47, 661,471.94 and 240,943.30

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Solution

The fourth proportional to 440,856.47, 661,471.94 and 240,943.30 is: 361,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,856.47 : 661,471.94 = 240,943.30 : x
  2. Step 2: Convert to fraction form
    440,856.47/661,471.94 = 240,943.30/x
  3. Step 3: Cross multiply
    440,856.47x = 661,471.94 × 240,943.30
  4. Step 4: Simplify right side
    440,856.47x = 159,377,232,081.00
  5. Step 5: Solve for x
    x = 159,377,232,081.00/440,856.47
  6. Step 6: Final answer
    x = 361,517.28

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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.