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Finding the Fourth Proportional to 576,977.79, 865,466.69 and 222,158.91

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Solution

The fourth proportional to 576,977.79, 865,466.69 and 222,158.91 is: 333,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,977.79 : 865,466.69 = 222,158.91 : x
  2. Step 2: Convert to fraction form
    576,977.79/865,466.69 = 222,158.91/x
  3. Step 3: Cross multiply
    576,977.79x = 865,466.69 × 222,158.91
  4. Step 4: Simplify right side
    576,977.79x = 192,271,135,380.91
  5. Step 5: Solve for x
    x = 192,271,135,380.91/576,977.79
  6. Step 6: Final answer
    x = 333,238.37

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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.