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Finding the Fourth Proportional to 303,343.50, 418,614.03 and 169,207.50

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Solution

The fourth proportional to 303,343.50, 418,614.03 and 169,207.50 is: 233,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,343.50 : 418,614.03 = 169,207.50 : x
  2. Step 2: Convert to fraction form
    303,343.50/418,614.03 = 169,207.50/x
  3. Step 3: Cross multiply
    303,343.50x = 418,614.03 × 169,207.50
  4. Step 4: Simplify right side
    303,343.50x = 70,832,633,481.23
  5. Step 5: Solve for x
    x = 70,832,633,481.23/303,343.50
  6. Step 6: Final answer
    x = 233,506.35

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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.