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Finding the Fourth Proportional to 331,233.66, 457,102.50 and 180,330.66

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Solution

The fourth proportional to 331,233.66, 457,102.50 and 180,330.66 is: 248,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,233.66 : 457,102.50 = 180,330.66 : x
  2. Step 2: Convert to fraction form
    331,233.66/457,102.50 = 180,330.66/x
  3. Step 3: Cross multiply
    331,233.66x = 457,102.50 × 180,330.66
  4. Step 4: Simplify right side
    331,233.66x = 82,429,595,512.65
  5. Step 5: Solve for x
    x = 82,429,595,512.65/331,233.66
  6. Step 6: Final answer
    x = 248,856.34

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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.