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Finding the Fourth Proportional to 650,091.45, 897,104.49 and 359,703.57

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Solution

The fourth proportional to 650,091.45, 897,104.49 and 359,703.57 is: 496,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,091.45 : 897,104.49 = 359,703.57 : x
  2. Step 2: Convert to fraction form
    650,091.45/897,104.49 = 359,703.57/x
  3. Step 3: Cross multiply
    650,091.45x = 897,104.49 × 359,703.57
  4. Step 4: Simplify right side
    650,091.45x = 322,691,687,716.03
  5. Step 5: Solve for x
    x = 322,691,687,716.03/650,091.45
  6. Step 6: Final answer
    x = 496,378.91

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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.