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Finding the Fourth Proportional to 440,046.30, 660,069.45 and 159,572.70

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Solution

The fourth proportional to 440,046.30, 660,069.45 and 159,572.70 is: 239,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,046.30 : 660,069.45 = 159,572.70 : x
  2. Step 2: Convert to fraction form
    440,046.30/660,069.45 = 159,572.70/x
  3. Step 3: Cross multiply
    440,046.30x = 660,069.45 × 159,572.70
  4. Step 4: Simplify right side
    440,046.30x = 105,329,064,324.02
  5. Step 5: Solve for x
    x = 105,329,064,324.02/440,046.30
  6. Step 6: Final answer
    x = 239,359.05

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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.