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Finding the Fourth Proportional to 351,334, 527,067.60 and 140,988.52

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Solution

The fourth proportional to 351,334, 527,067.60 and 140,988.52 is: 211,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,334 : 527,067.60 = 140,988.52 : x
  2. Step 2: Convert to fraction form
    351,334/527,067.60 = 140,988.52/x
  3. Step 3: Cross multiply
    351,334x = 527,067.60 × 140,988.52
  4. Step 4: Simplify right side
    351,334x = 74,310,480,863.95
  5. Step 5: Solve for x
    x = 74,310,480,863.95/351,334
  6. Step 6: Final answer
    x = 211,509.51

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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.