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Finding the Fourth Proportional to 241,387.40, 338,642.20 and 241,387.40

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Solution

The fourth proportional to 241,387.40, 338,642.20 and 241,387.40 is: 338,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,387.40 : 338,642.20 = 241,387.40 : x
  2. Step 2: Convert to fraction form
    241,387.40/338,642.20 = 241,387.40/x
  3. Step 3: Cross multiply
    241,387.40x = 338,642.20 × 241,387.40
  4. Step 4: Simplify right side
    241,387.40x = 81,743,960,188.28
  5. Step 5: Solve for x
    x = 81,743,960,188.28/241,387.40
  6. Step 6: Final answer
    x = 338,642.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.