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Finding the Fourth Proportional to 571,824.87, 856,593.83 and 343,994.90

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Solution

The fourth proportional to 571,824.87, 856,593.83 and 343,994.90 is: 515,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,824.87 : 856,593.83 = 343,994.90 : x
  2. Step 2: Convert to fraction form
    571,824.87/856,593.83 = 343,994.90/x
  3. Step 3: Cross multiply
    571,824.87x = 856,593.83 × 343,994.90
  4. Step 4: Simplify right side
    571,824.87x = 294,663,910,286.83
  5. Step 5: Solve for x
    x = 294,663,910,286.83/571,824.87
  6. Step 6: Final answer
    x = 515,304.47

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1.5x scale

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.