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Finding the Fourth Proportional to 481,339.82, 722,000.04 and 165,789.74

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Solution

The fourth proportional to 481,339.82, 722,000.04 and 165,789.74 is: 248,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,339.82 : 722,000.04 = 165,789.74 : x
  2. Step 2: Convert to fraction form
    481,339.82/722,000.04 = 165,789.74/x
  3. Step 3: Cross multiply
    481,339.82x = 722,000.04 × 165,789.74
  4. Step 4: Simplify right side
    481,339.82x = 119,700,198,911.59
  5. Step 5: Solve for x
    x = 119,700,198,911.59/481,339.82
  6. Step 6: Final answer
    x = 248,681.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.