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Finding the Fourth Proportional to 552,671.93, 762,694.25 and 310,954.97

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Solution

The fourth proportional to 552,671.93, 762,694.25 and 310,954.97 is: 429,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,671.93 : 762,694.25 = 310,954.97 : x
  2. Step 2: Convert to fraction form
    552,671.93/762,694.25 = 310,954.97/x
  3. Step 3: Cross multiply
    552,671.93x = 762,694.25 × 310,954.97
  4. Step 4: Simplify right side
    552,671.93x = 237,163,562,259.68
  5. Step 5: Solve for x
    x = 237,163,562,259.68/552,671.93
  6. Step 6: Final answer
    x = 429,121.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.