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Finding the Fourth Proportional to 613,760.46, 846,956.46 and 338,109.27

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Solution

The fourth proportional to 613,760.46, 846,956.46 and 338,109.27 is: 466,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,760.46 : 846,956.46 = 338,109.27 : x
  2. Step 2: Convert to fraction form
    613,760.46/846,956.46 = 338,109.27/x
  3. Step 3: Cross multiply
    613,760.46x = 846,956.46 × 338,109.27
  4. Step 4: Simplify right side
    613,760.46x = 286,363,832,317.41
  5. Step 5: Solve for x
    x = 286,363,832,317.41/613,760.46
  6. Step 6: Final answer
    x = 466,572.63

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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.