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Finding the Fourth Proportional to 576,837.12, 865,411.84 and 177,469.44

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Solution

The fourth proportional to 576,837.12, 865,411.84 and 177,469.44 is: 266,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,837.12 : 865,411.84 = 177,469.44 : x
  2. Step 2: Convert to fraction form
    576,837.12/865,411.84 = 177,469.44/x
  3. Step 3: Cross multiply
    576,837.12x = 865,411.84 × 177,469.44
  4. Step 4: Simplify right side
    576,837.12x = 153,584,154,614.17
  5. Step 5: Solve for x
    x = 153,584,154,614.17/576,837.12
  6. Step 6: Final answer
    x = 266,252.20

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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.