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Finding the Fourth Proportional to 363,392.73, 545,976.05 and 343,250.46

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Solution

The fourth proportional to 363,392.73, 545,976.05 and 343,250.46 is: 515,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,392.73 : 545,976.05 = 343,250.46 : x
  2. Step 2: Convert to fraction form
    363,392.73/545,976.05 = 343,250.46/x
  3. Step 3: Cross multiply
    363,392.73x = 545,976.05 × 343,250.46
  4. Step 4: Simplify right side
    363,392.73x = 187,406,528,595.23
  5. Step 5: Solve for x
    x = 187,406,528,595.23/363,392.73
  6. Step 6: Final answer
    x = 515,713.48

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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.