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Finding the Fourth Proportional to 361,517.40, 542,276.10 and 174,893.40

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Solution

The fourth proportional to 361,517.40, 542,276.10 and 174,893.40 is: 262,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,517.40 : 542,276.10 = 174,893.40 : x
  2. Step 2: Convert to fraction form
    361,517.40/542,276.10 = 174,893.40/x
  3. Step 3: Cross multiply
    361,517.40x = 542,276.10 × 174,893.40
  4. Step 4: Simplify right side
    361,517.40x = 94,840,510,867.74
  5. Step 5: Solve for x
    x = 94,840,510,867.74/361,517.40
  6. Step 6: Final answer
    x = 262,340.10

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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.