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Finding the Fourth Proportional to 468,229.33, 646,158.19 and 253,369.41

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Solution

The fourth proportional to 468,229.33, 646,158.19 and 253,369.41 is: 349,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,229.33 : 646,158.19 = 253,369.41 : x
  2. Step 2: Convert to fraction form
    468,229.33/646,158.19 = 253,369.41/x
  3. Step 3: Cross multiply
    468,229.33x = 646,158.19 × 253,369.41
  4. Step 4: Simplify right side
    468,229.33x = 163,716,719,366.97
  5. Step 5: Solve for x
    x = 163,716,719,366.97/468,229.33
  6. Step 6: Final answer
    x = 349,650.71

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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.