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Finding the Fourth Proportional to 366,915.20, 550,372.80 and 234,054.95

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Solution

The fourth proportional to 366,915.20, 550,372.80 and 234,054.95 is: 351,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.20 : 550,372.80 = 234,054.95 : x
  2. Step 2: Convert to fraction form
    366,915.20/550,372.80 = 234,054.95/x
  3. Step 3: Cross multiply
    366,915.20x = 550,372.80 × 234,054.95
  4. Step 4: Simplify right side
    366,915.20x = 128,817,478,185.36
  5. Step 5: Solve for x
    x = 128,817,478,185.36/366,915.20
  6. Step 6: Final answer
    x = 351,082.43

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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.