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Finding the Fourth Proportional to 399,004.93, 598,727.72 and 162,514.09

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Solution

The fourth proportional to 399,004.93, 598,727.72 and 162,514.09 is: 243,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,004.93 : 598,727.72 = 162,514.09 : x
  2. Step 2: Convert to fraction form
    399,004.93/598,727.72 = 162,514.09/x
  3. Step 3: Cross multiply
    399,004.93x = 598,727.72 × 162,514.09
  4. Step 4: Simplify right side
    399,004.93x = 97,301,690,573.57
  5. Step 5: Solve for x
    x = 97,301,690,573.57/399,004.93
  6. Step 6: Final answer
    x = 243,860.87

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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.