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Finding the Fourth Proportional to 440,574.66, 660,850.38 and 125,031.60

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Solution

The fourth proportional to 440,574.66, 660,850.38 and 125,031.60 is: 187,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,574.66 : 660,850.38 = 125,031.60 : x
  2. Step 2: Convert to fraction form
    440,574.66/660,850.38 = 125,031.60/x
  3. Step 3: Cross multiply
    440,574.66x = 660,850.38 × 125,031.60
  4. Step 4: Simplify right side
    440,574.66x = 82,627,180,372.01
  5. Step 5: Solve for x
    x = 82,627,180,372.01/440,574.66
  6. Step 6: Final answer
    x = 187,544.11

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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.