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Finding the Fourth Proportional to 399,003.93, 598,726.22 and 162,513.09

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Solution

The fourth proportional to 399,003.93, 598,726.22 and 162,513.09 is: 243,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,003.93 : 598,726.22 = 162,513.09 : x
  2. Step 2: Convert to fraction form
    399,003.93/598,726.22 = 162,513.09/x
  3. Step 3: Cross multiply
    399,003.93x = 598,726.22 × 162,513.09
  4. Step 4: Simplify right side
    399,003.93x = 97,300,847,263.65
  5. Step 5: Solve for x
    x = 97,300,847,263.65/399,003.93
  6. Step 6: Final answer
    x = 243,859.37

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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.