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Finding the Fourth Proportional to 360,803.86, 541,194.63 and 171,400.57

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Solution

The fourth proportional to 360,803.86, 541,194.63 and 171,400.57 is: 257,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803.86 : 541,194.63 = 171,400.57 : x
  2. Step 2: Convert to fraction form
    360,803.86/541,194.63 = 171,400.57/x
  3. Step 3: Cross multiply
    360,803.86x = 541,194.63 × 171,400.57
  4. Step 4: Simplify right side
    360,803.86x = 92,761,068,062.94
  5. Step 5: Solve for x
    x = 92,761,068,062.94/360,803.86
  6. Step 6: Final answer
    x = 257,095.55

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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.