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Finding the Fourth Proportional to 482,882.68, 666,346.80 and 268,022.80

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Solution

The fourth proportional to 482,882.68, 666,346.80 and 268,022.80 is: 369,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,882.68 : 666,346.80 = 268,022.80 : x
  2. Step 2: Convert to fraction form
    482,882.68/666,346.80 = 268,022.80/x
  3. Step 3: Cross multiply
    482,882.68x = 666,346.80 × 268,022.80
  4. Step 4: Simplify right side
    482,882.68x = 178,596,135,107.04
  5. Step 5: Solve for x
    x = 178,596,135,107.04/482,882.68
  6. Step 6: Final answer
    x = 369,854.09

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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.