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Finding the Fourth Proportional to 440,487.60, 660,904.20 and 160,033.20

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Solution

The fourth proportional to 440,487.60, 660,904.20 and 160,033.20 is: 240,112.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,487.60 : 660,904.20 = 160,033.20 : x
  2. Step 2: Convert to fraction form
    440,487.60/660,904.20 = 160,033.20/x
  3. Step 3: Cross multiply
    440,487.60x = 660,904.20 × 160,033.20
  4. Step 4: Simplify right side
    440,487.60x = 105,766,614,019.44
  5. Step 5: Solve for x
    x = 105,766,614,019.44/440,487.60
  6. Step 6: Final answer
    x = 240,112.58

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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.