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Finding the Fourth Proportional to 416,576.88, 574,875.36 and 225,589.68

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Solution

The fourth proportional to 416,576.88, 574,875.36 and 225,589.68 is: 311,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,576.88 : 574,875.36 = 225,589.68 : x
  2. Step 2: Convert to fraction form
    416,576.88/574,875.36 = 225,589.68/x
  3. Step 3: Cross multiply
    416,576.88x = 574,875.36 × 225,589.68
  4. Step 4: Simplify right side
    416,576.88x = 129,685,948,502.29
  5. Step 5: Solve for x
    x = 129,685,948,502.29/416,576.88
  6. Step 6: Final answer
    x = 311,313.36

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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.