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Finding the Fourth Proportional to 365,218.30, 504,156.45 and 222,024.07

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Solution

The fourth proportional to 365,218.30, 504,156.45 and 222,024.07 is: 306,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,218.30 : 504,156.45 = 222,024.07 : x
  2. Step 2: Convert to fraction form
    365,218.30/504,156.45 = 222,024.07/x
  3. Step 3: Cross multiply
    365,218.30x = 504,156.45 × 222,024.07
  4. Step 4: Simplify right side
    365,218.30x = 111,934,866,945.75
  5. Step 5: Solve for x
    x = 111,934,866,945.75/365,218.30
  6. Step 6: Final answer
    x = 306,487.56

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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.