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Finding the Fourth Proportional to 416,429.56, 574,674.11 and 225,443.71

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Solution

The fourth proportional to 416,429.56, 574,674.11 and 225,443.71 is: 311,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,429.56 : 574,674.11 = 225,443.71 : x
  2. Step 2: Convert to fraction form
    416,429.56/574,674.11 = 225,443.71/x
  3. Step 3: Cross multiply
    416,429.56x = 574,674.11 × 225,443.71
  4. Step 4: Simplify right side
    416,429.56x = 129,556,663,399.35
  5. Step 5: Solve for x
    x = 129,556,663,399.35/416,429.56
  6. Step 6: Final answer
    x = 311,113.03

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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.