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Finding the Fourth Proportional to 392,226.70, 541,531.72 and 301,417.60

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Solution

The fourth proportional to 392,226.70, 541,531.72 and 301,417.60 is: 416,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,226.70 : 541,531.72 = 301,417.60 : x
  2. Step 2: Convert to fraction form
    392,226.70/541,531.72 = 301,417.60/x
  3. Step 3: Cross multiply
    392,226.70x = 541,531.72 × 301,417.60
  4. Step 4: Simplify right side
    392,226.70x = 163,227,190,839.43
  5. Step 5: Solve for x
    x = 163,227,190,839.43/392,226.70
  6. Step 6: Final answer
    x = 416,155.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.