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Finding the Fourth Proportional to 541,915.55, 813,377.69 and 275,875.23

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Solution

The fourth proportional to 541,915.55, 813,377.69 and 275,875.23 is: 414,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,915.55 : 813,377.69 = 275,875.23 : x
  2. Step 2: Convert to fraction form
    541,915.55/813,377.69 = 275,875.23/x
  3. Step 3: Cross multiply
    541,915.55x = 813,377.69 × 275,875.23
  4. Step 4: Simplify right side
    541,915.55x = 224,390,755,926.24
  5. Step 5: Solve for x
    x = 224,390,755,926.24/541,915.55
  6. Step 6: Final answer
    x = 414,069.61

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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.