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Finding the Fourth Proportional to 244,228.60, 366,342.90 and 219,345.40

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Solution

The fourth proportional to 244,228.60, 366,342.90 and 219,345.40 is: 329,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,228.60 : 366,342.90 = 219,345.40 : x
  2. Step 2: Convert to fraction form
    244,228.60/366,342.90 = 219,345.40/x
  3. Step 3: Cross multiply
    244,228.60x = 366,342.90 × 219,345.40
  4. Step 4: Simplify right side
    244,228.60x = 80,355,629,937.66
  5. Step 5: Solve for x
    x = 80,355,629,937.66/244,228.60
  6. Step 6: Final answer
    x = 329,018.10

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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.