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Finding the Fourth Proportional to 358,687.89, 495,227.52 and 222,924.42

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Solution

The fourth proportional to 358,687.89, 495,227.52 and 222,924.42 is: 307,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,687.89 : 495,227.52 = 222,924.42 : x
  2. Step 2: Convert to fraction form
    358,687.89/495,227.52 = 222,924.42/x
  3. Step 3: Cross multiply
    358,687.89x = 495,227.52 × 222,924.42
  4. Step 4: Simplify right side
    358,687.89x = 110,398,307,664.04
  5. Step 5: Solve for x
    x = 110,398,307,664.04/358,687.89
  6. Step 6: Final answer
    x = 307,783.76

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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.