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Finding the Fourth Proportional to 585,169.52, 878,007.80 and 206,360.90

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Solution

The fourth proportional to 585,169.52, 878,007.80 and 206,360.90 is: 309,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,169.52 : 878,007.80 = 206,360.90 : x
  2. Step 2: Convert to fraction form
    585,169.52/878,007.80 = 206,360.90/x
  3. Step 3: Cross multiply
    585,169.52x = 878,007.80 × 206,360.90
  4. Step 4: Simplify right side
    585,169.52x = 181,186,479,233.41
  5. Step 5: Solve for x
    x = 181,186,479,233.41/585,169.52
  6. Step 6: Final answer
    x = 309,630.76

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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.