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Finding the Fourth Proportional to 244,617.40, 366,926.10 and 218,956.60

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Solution

The fourth proportional to 244,617.40, 366,926.10 and 218,956.60 is: 328,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,617.40 : 366,926.10 = 218,956.60 : x
  2. Step 2: Convert to fraction form
    244,617.40/366,926.10 = 218,956.60/x
  3. Step 3: Cross multiply
    244,617.40x = 366,926.10 × 218,956.60
  4. Step 4: Simplify right side
    244,617.40x = 80,340,891,307.26
  5. Step 5: Solve for x
    x = 80,340,891,307.26/244,617.40
  6. Step 6: Final answer
    x = 328,434.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.