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Finding the Fourth Proportional to 303,441.68, 418,717.76 and 167,473.12

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Solution

The fourth proportional to 303,441.68, 418,717.76 and 167,473.12 is: 231,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,441.68 : 418,717.76 = 167,473.12 : x
  2. Step 2: Convert to fraction form
    303,441.68/418,717.76 = 167,473.12/x
  3. Step 3: Cross multiply
    303,441.68x = 418,717.76 × 167,473.12
  4. Step 4: Simplify right side
    303,441.68x = 70,123,969,666.61
  5. Step 5: Solve for x
    x = 70,123,969,666.61/303,441.68
  6. Step 6: Final answer
    x = 231,095.38

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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.