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Finding the Fourth Proportional to 576,229.12, 864,343.68 and 155,504.96

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Solution

The fourth proportional to 576,229.12, 864,343.68 and 155,504.96 is: 233,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,229.12 : 864,343.68 = 155,504.96 : x
  2. Step 2: Convert to fraction form
    576,229.12/864,343.68 = 155,504.96/x
  3. Step 3: Cross multiply
    576,229.12x = 864,343.68 × 155,504.96
  4. Step 4: Simplify right side
    576,229.12x = 134,409,729,384.65
  5. Step 5: Solve for x
    x = 134,409,729,384.65/576,229.12
  6. Step 6: Final answer
    x = 233,257.44

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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.