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Finding the Fourth Proportional to 439,740.29, 606,841.47 and 238,536.29

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Solution

The fourth proportional to 439,740.29, 606,841.47 and 238,536.29 is: 329,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,740.29 : 606,841.47 = 238,536.29 : x
  2. Step 2: Convert to fraction form
    439,740.29/606,841.47 = 238,536.29/x
  3. Step 3: Cross multiply
    439,740.29x = 606,841.47 × 238,536.29
  4. Step 4: Simplify right side
    439,740.29x = 144,753,714,389.05
  5. Step 5: Solve for x
    x = 144,753,714,389.05/439,740.29
  6. Step 6: Final answer
    x = 329,180.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.