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Finding the Fourth Proportional to 222,648.88, 307,301.82 and 204,715.48

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Solution

The fourth proportional to 222,648.88, 307,301.82 and 204,715.48 is: 282,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,648.88 : 307,301.82 = 204,715.48 : x
  2. Step 2: Convert to fraction form
    222,648.88/307,301.82 = 204,715.48/x
  3. Step 3: Cross multiply
    222,648.88x = 307,301.82 × 204,715.48
  4. Step 4: Simplify right side
    222,648.88x = 62,909,439,586.17
  5. Step 5: Solve for x
    x = 62,909,439,586.17/222,648.88
  6. Step 6: Final answer
    x = 282,549.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.