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Finding the Fourth Proportional to 363,251.44, 544,871.68 and 163,430.72

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Solution

The fourth proportional to 363,251.44, 544,871.68 and 163,430.72 is: 245,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,251.44 : 544,871.68 = 163,430.72 : x
  2. Step 2: Convert to fraction form
    363,251.44/544,871.68 = 163,430.72/x
  3. Step 3: Cross multiply
    363,251.44x = 544,871.68 × 163,430.72
  4. Step 4: Simplify right side
    363,251.44x = 89,048,770,970.01
  5. Step 5: Solve for x
    x = 89,048,770,970.01/363,251.44
  6. Step 6: Final answer
    x = 245,143.61

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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.