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Finding the Fourth Proportional to 534,847.40, 737,664.20 and 454,540.76

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Solution

The fourth proportional to 534,847.40, 737,664.20 and 454,540.76 is: 626,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,847.40 : 737,664.20 = 454,540.76 : x
  2. Step 2: Convert to fraction form
    534,847.40/737,664.20 = 454,540.76/x
  3. Step 3: Cross multiply
    534,847.40x = 737,664.20 × 454,540.76
  4. Step 4: Simplify right side
    534,847.40x = 335,298,446,092.79
  5. Step 5: Solve for x
    x = 335,298,446,092.79/534,847.40
  6. Step 6: Final answer
    x = 626,904.88

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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.