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Finding the Fourth Proportional to 244,617.70, 366,926.55 and 215,749.30

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Solution

The fourth proportional to 244,617.70, 366,926.55 and 215,749.30 is: 323,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,617.70 : 366,926.55 = 215,749.30 : x
  2. Step 2: Convert to fraction form
    244,617.70/366,926.55 = 215,749.30/x
  3. Step 3: Cross multiply
    244,617.70x = 366,926.55 × 215,749.30
  4. Step 4: Simplify right side
    244,617.70x = 79,164,146,313.92
  5. Step 5: Solve for x
    x = 79,164,146,313.92/244,617.70
  6. Step 6: Final answer
    x = 323,623.95

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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.