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Finding the Fourth Proportional to 404,714.75, 607,098.38 and 134,831.39

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Solution

The fourth proportional to 404,714.75, 607,098.38 and 134,831.39 is: 202,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,714.75 : 607,098.38 = 134,831.39 : x
  2. Step 2: Convert to fraction form
    404,714.75/607,098.38 = 134,831.39/x
  3. Step 3: Cross multiply
    404,714.75x = 607,098.38 × 134,831.39
  4. Step 4: Simplify right side
    404,714.75x = 81,855,914,732.50
  5. Step 5: Solve for x
    x = 81,855,914,732.50/404,714.75
  6. Step 6: Final answer
    x = 202,255.83

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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.