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Finding the Fourth Proportional to 481,004.92, 663,780.18 and 266,141.08

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Solution

The fourth proportional to 481,004.92, 663,780.18 and 266,141.08 is: 367,271.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,004.92 : 663,780.18 = 266,141.08 : x
  2. Step 2: Convert to fraction form
    481,004.92/663,780.18 = 266,141.08/x
  3. Step 3: Cross multiply
    481,004.92x = 663,780.18 × 266,141.08
  4. Step 4: Simplify right side
    481,004.92x = 176,659,173,987.79
  5. Step 5: Solve for x
    x = 176,659,173,987.79/481,004.92
  6. Step 6: Final answer
    x = 367,271.03

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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.