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Finding the Fourth Proportional to 891,738.84, 1,337,652 and 359,187.96

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Solution

The fourth proportional to 891,738.84, 1,337,652 and 359,187.96 is: 538,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,738.84 : 1,337,652 = 359,187.96 : x
  2. Step 2: Convert to fraction form
    891,738.84/1,337,652 = 359,187.96/x
  3. Step 3: Cross multiply
    891,738.84x = 1,337,652 × 359,187.96
  4. Step 4: Simplify right side
    891,738.84x = 480,468,493,069.92
  5. Step 5: Solve for x
    x = 480,468,493,069.92/891,738.84
  6. Step 6: Final answer
    x = 538,799.56

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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.