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Finding the Fourth Proportional to 397,337.46, 548,326.36 and 216,049.24

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Solution

The fourth proportional to 397,337.46, 548,326.36 and 216,049.24 is: 298,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,337.46 : 548,326.36 = 216,049.24 : x
  2. Step 2: Convert to fraction form
    397,337.46/548,326.36 = 216,049.24/x
  3. Step 3: Cross multiply
    397,337.46x = 548,326.36 × 216,049.24
  4. Step 4: Simplify right side
    397,337.46x = 118,465,493,349.97
  5. Step 5: Solve for x
    x = 118,465,493,349.97/397,337.46
  6. Step 6: Final answer
    x = 298,148.31

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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.