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Finding the Fourth Proportional to 576,915.82, 865,374.30 and 150,451.32

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Solution

The fourth proportional to 576,915.82, 865,374.30 and 150,451.32 is: 225,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,915.82 : 865,374.30 = 150,451.32 : x
  2. Step 2: Convert to fraction form
    576,915.82/865,374.30 = 150,451.32/x
  3. Step 3: Cross multiply
    576,915.82x = 865,374.30 × 150,451.32
  4. Step 4: Simplify right side
    576,915.82x = 130,196,705,729.08
  5. Step 5: Solve for x
    x = 130,196,705,729.08/576,915.82
  6. Step 6: Final answer
    x = 225,677.13

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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.