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Finding the Fourth Proportional to 560,556.28, 840,834.42 and 181,793.85

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Solution

The fourth proportional to 560,556.28, 840,834.42 and 181,793.85 is: 272,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,556.28 : 840,834.42 = 181,793.85 : x
  2. Step 2: Convert to fraction form
    560,556.28/840,834.42 = 181,793.85/x
  3. Step 3: Cross multiply
    560,556.28x = 840,834.42 × 181,793.85
  4. Step 4: Simplify right side
    560,556.28x = 152,858,528,341.75
  5. Step 5: Solve for x
    x = 152,858,528,341.75/560,556.28
  6. Step 6: Final answer
    x = 272,690.78

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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.