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Finding the Fourth Proportional to 233,572.28, 350,780.78 and 215,783.78

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Solution

The fourth proportional to 233,572.28, 350,780.78 and 215,783.78 is: 324,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,572.28 : 350,780.78 = 215,783.78 : x
  2. Step 2: Convert to fraction form
    233,572.28/350,780.78 = 215,783.78/x
  3. Step 3: Cross multiply
    233,572.28x = 350,780.78 × 215,783.78
  4. Step 4: Simplify right side
    233,572.28x = 75,692,801,445.30
  5. Step 5: Solve for x
    x = 75,692,801,445.30/233,572.28
  6. Step 6: Final answer
    x = 324,065.87

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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.