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Finding the Fourth Proportional to 363,007.89, 544,622.67 and 185,639.49

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Solution

The fourth proportional to 363,007.89, 544,622.67 and 185,639.49 is: 278,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,007.89 : 544,622.67 = 185,639.49 : x
  2. Step 2: Convert to fraction form
    363,007.89/544,622.67 = 185,639.49/x
  3. Step 3: Cross multiply
    363,007.89x = 544,622.67 × 185,639.49
  4. Step 4: Simplify right side
    363,007.89x = 101,103,474,701.24
  5. Step 5: Solve for x
    x = 101,103,474,701.24/363,007.89
  6. Step 6: Final answer
    x = 278,515.92

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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.