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Finding the Fourth Proportional to 585,381.74, 878,131.13 and 158,924.43

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Solution

The fourth proportional to 585,381.74, 878,131.13 and 158,924.43 is: 238,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,381.74 : 878,131.13 = 158,924.43 : x
  2. Step 2: Convert to fraction form
    585,381.74/878,131.13 = 158,924.43/x
  3. Step 3: Cross multiply
    585,381.74x = 878,131.13 × 158,924.43
  4. Step 4: Simplify right side
    585,381.74x = 139,556,488,505.88
  5. Step 5: Solve for x
    x = 139,556,488,505.88/585,381.74
  6. Step 6: Final answer
    x = 238,402.53

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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.