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Finding the Fourth Proportional to 416,596.32, 574,903.44 and 225,611.28

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Solution

The fourth proportional to 416,596.32, 574,903.44 and 225,611.28 is: 311,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,596.32 : 574,903.44 = 225,611.28 : x
  2. Step 2: Convert to fraction form
    416,596.32/574,903.44 = 225,611.28/x
  3. Step 3: Cross multiply
    416,596.32x = 574,903.44 × 225,611.28
  4. Step 4: Simplify right side
    416,596.32x = 129,704,700,974.80
  5. Step 5: Solve for x
    x = 129,704,700,974.80/416,596.32
  6. Step 6: Final answer
    x = 311,343.85

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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.