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Finding the Fourth Proportional to 298,776.84, 412,286.67 and 171,449.70

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Solution

The fourth proportional to 298,776.84, 412,286.67 and 171,449.70 is: 236,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,776.84 : 412,286.67 = 171,449.70 : x
  2. Step 2: Convert to fraction form
    298,776.84/412,286.67 = 171,449.70/x
  3. Step 3: Cross multiply
    298,776.84x = 412,286.67 × 171,449.70
  4. Step 4: Simplify right side
    298,776.84x = 70,686,425,885.50
  5. Step 5: Solve for x
    x = 70,686,425,885.50/298,776.84
  6. Step 6: Final answer
    x = 236,586.03

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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.