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Finding the Fourth Proportional to 310,213.89, 465,322.82 and 169,895.97

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Solution

The fourth proportional to 310,213.89, 465,322.82 and 169,895.97 is: 254,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,213.89 : 465,322.82 = 169,895.97 : x
  2. Step 2: Convert to fraction form
    310,213.89/465,322.82 = 169,895.97/x
  3. Step 3: Cross multiply
    310,213.89x = 465,322.82 × 169,895.97
  4. Step 4: Simplify right side
    310,213.89x = 79,056,471,017.56
  5. Step 5: Solve for x
    x = 79,056,471,017.56/310,213.89
  6. Step 6: Final answer
    x = 254,845.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.