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Finding the Fourth Proportional to 576,215.48, 864,316.26 and 149,713.56

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Solution

The fourth proportional to 576,215.48, 864,316.26 and 149,713.56 is: 224,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,215.48 : 864,316.26 = 149,713.56 : x
  2. Step 2: Convert to fraction form
    576,215.48/864,316.26 = 149,713.56/x
  3. Step 3: Cross multiply
    576,215.48x = 864,316.26 × 149,713.56
  4. Step 4: Simplify right side
    576,215.48x = 129,399,864,250.49
  5. Step 5: Solve for x
    x = 129,399,864,250.49/576,215.48
  6. Step 6: Final answer
    x = 224,568.53

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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.