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Finding the Fourth Proportional to 481,141.92, 663,966.56 and 266,282.08

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Solution

The fourth proportional to 481,141.92, 663,966.56 and 266,282.08 is: 367,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,141.92 : 663,966.56 = 266,282.08 : x
  2. Step 2: Convert to fraction form
    481,141.92/663,966.56 = 266,282.08/x
  3. Step 3: Cross multiply
    481,141.92x = 663,966.56 × 266,282.08
  4. Step 4: Simplify right side
    481,141.92x = 176,802,396,647.25
  5. Step 5: Solve for x
    x = 176,802,396,647.25/481,141.92
  6. Step 6: Final answer
    x = 367,464.13

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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.