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Finding the Fourth Proportional to 552,770.20, 829,155.30 and 178,793.20

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Solution

The fourth proportional to 552,770.20, 829,155.30 and 178,793.20 is: 268,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,770.20 : 829,155.30 = 178,793.20 : x
  2. Step 2: Convert to fraction form
    552,770.20/829,155.30 = 178,793.20/x
  3. Step 3: Cross multiply
    552,770.20x = 829,155.30 × 178,793.20
  4. Step 4: Simplify right side
    552,770.20x = 148,247,329,383.96
  5. Step 5: Solve for x
    x = 148,247,329,383.96/552,770.20
  6. Step 6: Final answer
    x = 268,189.80

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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.