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Finding the Fourth Proportional to 269,362.40, 403,460.40 and 222,706.40

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Solution

The fourth proportional to 269,362.40, 403,460.40 and 222,706.40 is: 333,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,362.40 : 403,460.40 = 222,706.40 : x
  2. Step 2: Convert to fraction form
    269,362.40/403,460.40 = 222,706.40/x
  3. Step 3: Cross multiply
    269,362.40x = 403,460.40 × 222,706.40
  4. Step 4: Simplify right side
    269,362.40x = 89,853,213,226.56
  5. Step 5: Solve for x
    x = 89,853,213,226.56/269,362.40
  6. Step 6: Final answer
    x = 333,577.42

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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.