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Finding the Fourth Proportional to 481,253.59, 664,121.89 and 266,389.03

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Solution

The fourth proportional to 481,253.59, 664,121.89 and 266,389.03 is: 367,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,253.59 : 664,121.89 = 266,389.03 : x
  2. Step 2: Convert to fraction form
    481,253.59/664,121.89 = 266,389.03/x
  3. Step 3: Cross multiply
    481,253.59x = 664,121.89 × 266,389.03
  4. Step 4: Simplify right side
    481,253.59x = 176,914,781,426.31
  5. Step 5: Solve for x
    x = 176,914,781,426.31/481,253.59
  6. Step 6: Final answer
    x = 367,612.39

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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.