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Finding the Fourth Proportional to 244,212.10, 366,318.15 and 214,687.60

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Solution

The fourth proportional to 244,212.10, 366,318.15 and 214,687.60 is: 322,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,212.10 : 366,318.15 = 214,687.60 : x
  2. Step 2: Convert to fraction form
    244,212.10/366,318.15 = 214,687.60/x
  3. Step 3: Cross multiply
    244,212.10x = 366,318.15 × 214,687.60
  4. Step 4: Simplify right side
    244,212.10x = 78,643,964,459.94
  5. Step 5: Solve for x
    x = 78,643,964,459.94/244,212.10
  6. Step 6: Final answer
    x = 322,031.40

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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.