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Finding the Fourth Proportional to 303,343.88, 418,614.55 and 169,207.88

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Solution

The fourth proportional to 303,343.88, 418,614.55 and 169,207.88 is: 233,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,343.88 : 418,614.55 = 169,207.88 : x
  2. Step 2: Convert to fraction form
    303,343.88/418,614.55 = 169,207.88/x
  3. Step 3: Cross multiply
    303,343.88x = 418,614.55 × 169,207.88
  4. Step 4: Simplify right side
    303,343.88x = 70,832,878,026.56
  5. Step 5: Solve for x
    x = 70,832,878,026.56/303,343.88
  6. Step 6: Final answer
    x = 233,506.87

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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.