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Finding the Fourth Proportional to 527,602.32, 791,396.56 and 128,241.92

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Solution

The fourth proportional to 527,602.32, 791,396.56 and 128,241.92 is: 192,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,602.32 : 791,396.56 = 128,241.92 : x
  2. Step 2: Convert to fraction form
    527,602.32/791,396.56 = 128,241.92/x
  3. Step 3: Cross multiply
    527,602.32x = 791,396.56 × 128,241.92
  4. Step 4: Simplify right side
    527,602.32x = 101,490,214,335.80
  5. Step 5: Solve for x
    x = 101,490,214,335.80/527,602.32
  6. Step 6: Final answer
    x = 192,361.20

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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.