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Finding the Fourth Proportional to 440,216.68, 660,587.34 and 159,755.80

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Solution

The fourth proportional to 440,216.68, 660,587.34 and 159,755.80 is: 239,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,216.68 : 660,587.34 = 159,755.80 : x
  2. Step 2: Convert to fraction form
    440,216.68/660,587.34 = 159,755.80/x
  3. Step 3: Cross multiply
    440,216.68x = 660,587.34 × 159,755.80
  4. Step 4: Simplify right side
    440,216.68x = 105,532,658,971.57
  5. Step 5: Solve for x
    x = 105,532,658,971.57/440,216.68
  6. Step 6: Final answer
    x = 239,728.90

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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.