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Finding the Fourth Proportional to 439,591.07, 659,333.15 and 186,973.13

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Solution

The fourth proportional to 439,591.07, 659,333.15 and 186,973.13 is: 280,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,591.07 : 659,333.15 = 186,973.13 : x
  2. Step 2: Convert to fraction form
    439,591.07/659,333.15 = 186,973.13/x
  3. Step 3: Cross multiply
    439,591.07x = 659,333.15 × 186,973.13
  4. Step 4: Simplify right side
    439,591.07x = 123,277,583,481.73
  5. Step 5: Solve for x
    x = 123,277,583,481.73/439,591.07
  6. Step 6: Final answer
    x = 280,436.96

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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.