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Finding the Fourth Proportional to 240,046.40, 331,264.80 and 132,622.40

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Solution

The fourth proportional to 240,046.40, 331,264.80 and 132,622.40 is: 183,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,046.40 : 331,264.80 = 132,622.40 : x
  2. Step 2: Convert to fraction form
    240,046.40/331,264.80 = 132,622.40/x
  3. Step 3: Cross multiply
    240,046.40x = 331,264.80 × 132,622.40
  4. Step 4: Simplify right side
    240,046.40x = 43,933,132,811.52
  5. Step 5: Solve for x
    x = 43,933,132,811.52/240,046.40
  6. Step 6: Final answer
    x = 183,019.34

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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.