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Finding the Fourth Proportional to 527,350.52, 791,017.42 and 127,994.60

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Solution

The fourth proportional to 527,350.52, 791,017.42 and 127,994.60 is: 191,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,350.52 : 791,017.42 = 127,994.60 : x
  2. Step 2: Convert to fraction form
    527,350.52/791,017.42 = 127,994.60/x
  3. Step 3: Cross multiply
    527,350.52x = 791,017.42 × 127,994.60
  4. Step 4: Simplify right side
    527,350.52x = 101,245,958,265.93
  5. Step 5: Solve for x
    x = 101,245,958,265.93/527,350.52
  6. Step 6: Final answer
    x = 191,989.87

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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.