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Finding the Fourth Proportional to 363,385.48, 544,392.46 and 186,005

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Solution

The fourth proportional to 363,385.48, 544,392.46 and 186,005 is: 278,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,385.48 : 544,392.46 = 186,005 : x
  2. Step 2: Convert to fraction form
    363,385.48/544,392.46 = 186,005/x
  3. Step 3: Cross multiply
    363,385.48x = 544,392.46 × 186,005
  4. Step 4: Simplify right side
    363,385.48x = 101,259,719,522.30
  5. Step 5: Solve for x
    x = 101,259,719,522.30/363,385.48
  6. Step 6: Final answer
    x = 278,656.48

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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.