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Finding the Fourth Proportional to 611,700.54, 844,135.47 and 339,757.62

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Solution

The fourth proportional to 611,700.54, 844,135.47 and 339,757.62 is: 468,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,700.54 : 844,135.47 = 339,757.62 : x
  2. Step 2: Convert to fraction form
    611,700.54/844,135.47 = 339,757.62/x
  3. Step 3: Cross multiply
    611,700.54x = 844,135.47 × 339,757.62
  4. Step 4: Simplify right side
    611,700.54x = 286,801,458,244.78
  5. Step 5: Solve for x
    x = 286,801,458,244.78/611,700.54
  6. Step 6: Final answer
    x = 468,859.25

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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.