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Finding the Fourth Proportional to 404,326.83, 606,425.97 and 134,432.53

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Solution

The fourth proportional to 404,326.83, 606,425.97 and 134,432.53 is: 201,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,326.83 : 606,425.97 = 134,432.53 : x
  2. Step 2: Convert to fraction form
    404,326.83/606,425.97 = 134,432.53/x
  3. Step 3: Cross multiply
    404,326.83x = 606,425.97 × 134,432.53
  4. Step 4: Simplify right side
    404,326.83x = 81,523,376,392.86
  5. Step 5: Solve for x
    x = 81,523,376,392.86/404,326.83
  6. Step 6: Final answer
    x = 201,627.42

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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.