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Finding the Fourth Proportional to 298,524.71, 411,855.89 and 169,388.39

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Solution

The fourth proportional to 298,524.71, 411,855.89 and 169,388.39 is: 233,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,524.71 : 411,855.89 = 169,388.39 : x
  2. Step 2: Convert to fraction form
    298,524.71/411,855.89 = 169,388.39/x
  3. Step 3: Cross multiply
    298,524.71x = 411,855.89 × 169,388.39
  4. Step 4: Simplify right side
    298,524.71x = 69,763,606,119.12
  5. Step 5: Solve for x
    x = 69,763,606,119.12/298,524.71
  6. Step 6: Final answer
    x = 233,694.58

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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.