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Finding the Fourth Proportional to 363,642.32, 544,457.46 and 185,766.32

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Solution

The fourth proportional to 363,642.32, 544,457.46 and 185,766.32 is: 278,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,642.32 : 544,457.46 = 185,766.32 : x
  2. Step 2: Convert to fraction form
    363,642.32/544,457.46 = 185,766.32/x
  3. Step 3: Cross multiply
    363,642.32x = 544,457.46 × 185,766.32
  4. Step 4: Simplify right side
    363,642.32x = 101,141,858,740.75
  5. Step 5: Solve for x
    x = 101,141,858,740.75/363,642.32
  6. Step 6: Final answer
    x = 278,135.56

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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.