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Finding the Fourth Proportional to 468,281.33, 646,229.39 and 253,422.96

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Solution

The fourth proportional to 468,281.33, 646,229.39 and 253,422.96 is: 349,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,281.33 : 646,229.39 = 253,422.96 : x
  2. Step 2: Convert to fraction form
    468,281.33/646,229.39 = 253,422.96/x
  3. Step 3: Cross multiply
    468,281.33x = 646,229.39 × 253,422.96
  4. Step 4: Simplify right side
    468,281.33x = 163,769,365,343.80
  5. Step 5: Solve for x
    x = 163,769,365,343.80/468,281.33
  6. Step 6: Final answer
    x = 349,724.31

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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.