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Finding the Fourth Proportional to 481,283.18, 664,162.75 and 266,418.70

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Solution

The fourth proportional to 481,283.18, 664,162.75 and 266,418.70 is: 367,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,283.18 : 664,162.75 = 266,418.70 : x
  2. Step 2: Convert to fraction form
    481,283.18/664,162.75 = 266,418.70/x
  3. Step 3: Cross multiply
    481,283.18x = 664,162.75 × 266,418.70
  4. Step 4: Simplify right side
    481,283.18x = 176,945,376,443.43
  5. Step 5: Solve for x
    x = 176,945,376,443.43/481,283.18
  6. Step 6: Final answer
    x = 367,653.36

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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.