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Finding the Fourth Proportional to 263,572.35, 395,397.15 and 83,597.73

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Solution

The fourth proportional to 263,572.35, 395,397.15 and 83,597.73 is: 125,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,572.35 : 395,397.15 = 83,597.73 : x
  2. Step 2: Convert to fraction form
    263,572.35/395,397.15 = 83,597.73/x
  3. Step 3: Cross multiply
    263,572.35x = 395,397.15 × 83,597.73
  4. Step 4: Simplify right side
    263,572.35x = 33,054,304,188.47
  5. Step 5: Solve for x
    x = 33,054,304,188.47/263,572.35
  6. Step 6: Final answer
    x = 125,408.85

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1.5x scale

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.