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Finding the Fourth Proportional to 384,025.80, 576,476.10 and 226,343.10

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Solution

The fourth proportional to 384,025.80, 576,476.10 and 226,343.10 is: 339,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,025.80 : 576,476.10 = 226,343.10 : x
  2. Step 2: Convert to fraction form
    384,025.80/576,476.10 = 226,343.10/x
  3. Step 3: Cross multiply
    384,025.80x = 576,476.10 × 226,343.10
  4. Step 4: Simplify right side
    384,025.80x = 130,481,387,549.91
  5. Step 5: Solve for x
    x = 130,481,387,549.91/384,025.80
  6. Step 6: Final answer
    x = 339,772.45

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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.