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Finding the Fourth Proportional to 632,956.40, 948,778.48 and 395,754.38

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Solution

The fourth proportional to 632,956.40, 948,778.48 and 395,754.38 is: 593,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,956.40 : 948,778.48 = 395,754.38 : x
  2. Step 2: Convert to fraction form
    632,956.40/948,778.48 = 395,754.38/x
  3. Step 3: Cross multiply
    632,956.40x = 948,778.48 × 395,754.38
  4. Step 4: Simplify right side
    632,956.40x = 375,483,232,387.08
  5. Step 5: Solve for x
    x = 375,483,232,387.08/632,956.40
  6. Step 6: Final answer
    x = 593,221.33

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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.