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Finding the Fourth Proportional to 499,394.30, 749,162.52 and 162,326.57

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Solution

The fourth proportional to 499,394.30, 749,162.52 and 162,326.57 is: 243,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,394.30 : 749,162.52 = 162,326.57 : x
  2. Step 2: Convert to fraction form
    499,394.30/749,162.52 = 162,326.57/x
  3. Step 3: Cross multiply
    499,394.30x = 749,162.52 × 162,326.57
  4. Step 4: Simplify right side
    499,394.30x = 121,608,978,498.34
  5. Step 5: Solve for x
    x = 121,608,978,498.34/499,394.30
  6. Step 6: Final answer
    x = 243,512.95

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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.