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Finding the Fourth Proportional to 363,007.85, 544,622.54 and 185,639.45

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Solution

The fourth proportional to 363,007.85, 544,622.54 and 185,639.45 is: 278,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,007.85 : 544,622.54 = 185,639.45 : x
  2. Step 2: Convert to fraction form
    363,007.85/544,622.54 = 185,639.45/x
  3. Step 3: Cross multiply
    363,007.85x = 544,622.54 × 185,639.45
  4. Step 4: Simplify right side
    363,007.85x = 101,103,425,131.89
  5. Step 5: Solve for x
    x = 101,103,425,131.89/363,007.85
  6. Step 6: Final answer
    x = 278,515.81

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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.