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Finding the Fourth Proportional to 440,246.28, 660,470.28 and 159,763.56

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Solution

The fourth proportional to 440,246.28, 660,470.28 and 159,763.56 is: 239,681.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,246.28 : 660,470.28 = 159,763.56 : x
  2. Step 2: Convert to fraction form
    440,246.28/660,470.28 = 159,763.56/x
  3. Step 3: Cross multiply
    440,246.28x = 660,470.28 × 159,763.56
  4. Step 4: Simplify right side
    440,246.28x = 105,519,083,207.00
  5. Step 5: Solve for x
    x = 105,519,083,207.00/440,246.28
  6. Step 6: Final answer
    x = 239,681.94

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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.