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Finding the Fourth Proportional to 576,915.80, 865,374.32 and 150,451.32

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Solution

The fourth proportional to 576,915.80, 865,374.32 and 150,451.32 is: 225,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,915.80 : 865,374.32 = 150,451.32 : x
  2. Step 2: Convert to fraction form
    576,915.80/865,374.32 = 150,451.32/x
  3. Step 3: Cross multiply
    576,915.80x = 865,374.32 × 150,451.32
  4. Step 4: Simplify right side
    576,915.80x = 130,196,708,738.10
  5. Step 5: Solve for x
    x = 130,196,708,738.10/576,915.80
  6. Step 6: Final answer
    x = 225,677.14

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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.