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Finding the Fourth Proportional to 303,304.84, 418,562.13 and 167,338.78

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Solution

The fourth proportional to 303,304.84, 418,562.13 and 167,338.78 is: 230,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,304.84 : 418,562.13 = 167,338.78 : x
  2. Step 2: Convert to fraction form
    303,304.84/418,562.13 = 167,338.78/x
  3. Step 3: Cross multiply
    303,304.84x = 418,562.13 × 167,338.78
  4. Step 4: Simplify right side
    303,304.84x = 70,041,675,769.52
  5. Step 5: Solve for x
    x = 70,041,675,769.52/303,304.84
  6. Step 6: Final answer
    x = 230,928.32

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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.