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Finding the Fourth Proportional to 331,467.56, 457,422.84 and 180,564.56

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Solution

The fourth proportional to 331,467.56, 457,422.84 and 180,564.56 is: 249,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,467.56 : 457,422.84 = 180,564.56 : x
  2. Step 2: Convert to fraction form
    331,467.56/457,422.84 = 180,564.56/x
  3. Step 3: Cross multiply
    331,467.56x = 457,422.84 × 180,564.56
  4. Step 4: Simplify right side
    331,467.56x = 82,594,353,838.55
  5. Step 5: Solve for x
    x = 82,594,353,838.55/331,467.56
  6. Step 6: Final answer
    x = 249,177.79

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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.