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Finding the Fourth Proportional to 269,012.20, 403,907.10 and 202,916.20

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Solution

The fourth proportional to 269,012.20, 403,907.10 and 202,916.20 is: 304,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,012.20 : 403,907.10 = 202,916.20 : x
  2. Step 2: Convert to fraction form
    269,012.20/403,907.10 = 202,916.20/x
  3. Step 3: Cross multiply
    269,012.20x = 403,907.10 × 202,916.20
  4. Step 4: Simplify right side
    269,012.20x = 81,959,293,885.02
  5. Step 5: Solve for x
    x = 81,959,293,885.02/269,012.20
  6. Step 6: Final answer
    x = 304,667.57

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1.5x scale

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.