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Finding the Fourth Proportional to 534,616.97, 737,180.38 and 340,717.80

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Solution

The fourth proportional to 534,616.97, 737,180.38 and 340,717.80 is: 469,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,616.97 : 737,180.38 = 340,717.80 : x
  2. Step 2: Convert to fraction form
    534,616.97/737,180.38 = 340,717.80/x
  3. Step 3: Cross multiply
    534,616.97x = 737,180.38 × 340,717.80
  4. Step 4: Simplify right side
    534,616.97x = 251,170,478,550.55
  5. Step 5: Solve for x
    x = 251,170,478,550.55/534,616.97
  6. Step 6: Final answer
    x = 469,813.89

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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.