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Finding the Fourth Proportional to 404,727.26, 607,117.14 and 134,843.90

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Solution

The fourth proportional to 404,727.26, 607,117.14 and 134,843.90 is: 202,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,727.26 : 607,117.14 = 134,843.90 : x
  2. Step 2: Convert to fraction form
    404,727.26/607,117.14 = 134,843.90/x
  3. Step 3: Cross multiply
    404,727.26x = 607,117.14 × 134,843.90
  4. Step 4: Simplify right side
    404,727.26x = 81,866,042,914.45
  5. Step 5: Solve for x
    x = 81,866,042,914.45/404,727.26
  6. Step 6: Final answer
    x = 202,274.60

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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.