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Finding the Fourth Proportional to 281,838.78, 423,179.86 and 244,005.05

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Solution

The fourth proportional to 281,838.78, 423,179.86 and 244,005.05 is: 366,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,838.78 : 423,179.86 = 244,005.05 : x
  2. Step 2: Convert to fraction form
    281,838.78/423,179.86 = 244,005.05/x
  3. Step 3: Cross multiply
    281,838.78x = 423,179.86 × 244,005.05
  4. Step 4: Simplify right side
    281,838.78x = 103,258,023,346.23
  5. Step 5: Solve for x
    x = 103,258,023,346.23/281,838.78
  6. Step 6: Final answer
    x = 366,372.66

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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.