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Finding the Fourth Proportional to 389,797.56, 584,734.50 and 162,046.08

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Solution

The fourth proportional to 389,797.56, 584,734.50 and 162,046.08 is: 243,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,797.56 : 584,734.50 = 162,046.08 : x
  2. Step 2: Convert to fraction form
    389,797.56/584,734.50 = 162,046.08/x
  3. Step 3: Cross multiply
    389,797.56x = 584,734.50 × 162,046.08
  4. Step 4: Simplify right side
    389,797.56x = 94,753,933,565.76
  5. Step 5: Solve for x
    x = 94,753,933,565.76/389,797.56
  6. Step 6: Final answer
    x = 243,084.98

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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.