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Finding the Fourth Proportional to 269,266.40, 404,774.40 and 230,775.20

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Solution

The fourth proportional to 269,266.40, 404,774.40 and 230,775.20 is: 346,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,266.40 : 404,774.40 = 230,775.20 : x
  2. Step 2: Convert to fraction form
    269,266.40/404,774.40 = 230,775.20/x
  3. Step 3: Cross multiply
    269,266.40x = 404,774.40 × 230,775.20
  4. Step 4: Simplify right side
    269,266.40x = 93,411,893,114.88
  5. Step 5: Solve for x
    x = 93,411,893,114.88/269,266.40
  6. Step 6: Final answer
    x = 346,912.55

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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.