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Finding the Fourth Proportional to 298,539.52, 446,757.54 and 186,272.62

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Solution

The fourth proportional to 298,539.52, 446,757.54 and 186,272.62 is: 278,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,539.52 : 446,757.54 = 186,272.62 : x
  2. Step 2: Convert to fraction form
    298,539.52/446,757.54 = 186,272.62/x
  3. Step 3: Cross multiply
    298,539.52x = 446,757.54 × 186,272.62
  4. Step 4: Simplify right side
    298,539.52x = 83,218,697,480.55
  5. Step 5: Solve for x
    x = 83,218,697,480.55/298,539.52
  6. Step 6: Final answer
    x = 278,752.70

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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.