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Finding the Fourth Proportional to 605,446.12, 835,515.86 and 350,944.94

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Solution

The fourth proportional to 605,446.12, 835,515.86 and 350,944.94 is: 484,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,446.12 : 835,515.86 = 350,944.94 : x
  2. Step 2: Convert to fraction form
    605,446.12/835,515.86 = 350,944.94/x
  3. Step 3: Cross multiply
    605,446.12x = 835,515.86 × 350,944.94
  4. Step 4: Simplify right side
    605,446.12x = 293,220,063,356.75
  5. Step 5: Solve for x
    x = 293,220,063,356.75/605,446.12
  6. Step 6: Final answer
    x = 484,304.14

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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.