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Finding the Fourth Proportional to 303,493.76, 418,821.47 and 167,527.79

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Solution

The fourth proportional to 303,493.76, 418,821.47 and 167,527.79 is: 231,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,493.76 : 418,821.47 = 167,527.79 : x
  2. Step 2: Convert to fraction form
    303,493.76/418,821.47 = 167,527.79/x
  3. Step 3: Cross multiply
    303,493.76x = 418,821.47 × 167,527.79
  4. Step 4: Simplify right side
    303,493.76x = 70,164,234,540.71
  5. Step 5: Solve for x
    x = 70,164,234,540.71/303,493.76
  6. Step 6: Final answer
    x = 231,188.39

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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.