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Finding the Fourth Proportional to 361,156.60, 541,821.30 and 174,014.20

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Solution

The fourth proportional to 361,156.60, 541,821.30 and 174,014.20 is: 261,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,156.60 : 541,821.30 = 174,014.20 : x
  2. Step 2: Convert to fraction form
    361,156.60/541,821.30 = 174,014.20/x
  3. Step 3: Cross multiply
    361,156.60x = 541,821.30 × 174,014.20
  4. Step 4: Simplify right side
    361,156.60x = 94,284,600,062.46
  5. Step 5: Solve for x
    x = 94,284,600,062.46/361,156.60
  6. Step 6: Final answer
    x = 261,062.93

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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.