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Finding the Fourth Proportional to 354,086.78, 531,287.08 and 185,567.00

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Solution

The fourth proportional to 354,086.78, 531,287.08 and 185,567.00 is: 278,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,086.78 : 531,287.08 = 185,567.00 : x
  2. Step 2: Convert to fraction form
    354,086.78/531,287.08 = 185,567.00/x
  3. Step 3: Cross multiply
    354,086.78x = 531,287.08 × 185,567.00
  4. Step 4: Simplify right side
    354,086.78x = 98,589,346,454.01
  5. Step 5: Solve for x
    x = 98,589,346,454.01/354,086.78
  6. Step 6: Final answer
    x = 278,432.73

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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.