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Finding the Fourth Proportional to 416,553.76, 574,846.92 and 225,567.16

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Solution

The fourth proportional to 416,553.76, 574,846.92 and 225,567.16 is: 311,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,553.76 : 574,846.92 = 225,567.16 : x
  2. Step 2: Convert to fraction form
    416,553.76/574,846.92 = 225,567.16/x
  3. Step 3: Cross multiply
    416,553.76x = 574,846.92 × 225,567.16
  4. Step 4: Simplify right side
    416,553.76x = 129,666,587,179.15
  5. Step 5: Solve for x
    x = 129,666,587,179.15/416,553.76
  6. Step 6: Final answer
    x = 311,284.16

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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.