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Finding the Fourth Proportional to 416,526.84, 574,806.24 and 225,540.80

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Solution

The fourth proportional to 416,526.84, 574,806.24 and 225,540.80 is: 311,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,526.84 : 574,806.24 = 225,540.80 : x
  2. Step 2: Convert to fraction form
    416,526.84/574,806.24 = 225,540.80/x
  3. Step 3: Cross multiply
    416,526.84x = 574,806.24 × 225,540.80
  4. Step 4: Simplify right side
    416,526.84x = 129,642,259,214.59
  5. Step 5: Solve for x
    x = 129,642,259,214.59/416,526.84
  6. Step 6: Final answer
    x = 311,245.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.