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Finding the Fourth Proportional to 439,508.52, 659,295.63 and 186,760.62

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Solution

The fourth proportional to 439,508.52, 659,295.63 and 186,760.62 is: 280,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,508.52 : 659,295.63 = 186,760.62 : x
  2. Step 2: Convert to fraction form
    439,508.52/659,295.63 = 186,760.62/x
  3. Step 3: Cross multiply
    439,508.52x = 659,295.63 × 186,760.62
  4. Step 4: Simplify right side
    439,508.52x = 123,130,460,622.09
  5. Step 5: Solve for x
    x = 123,130,460,622.09/439,508.52
  6. Step 6: Final answer
    x = 280,154.89

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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.