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Finding the Fourth Proportional to 422,231.10, 633,807.45 and 235,607.10

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Solution

The fourth proportional to 422,231.10, 633,807.45 and 235,607.10 is: 353,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,231.10 : 633,807.45 = 235,607.10 : x
  2. Step 2: Convert to fraction form
    422,231.10/633,807.45 = 235,607.10/x
  3. Step 3: Cross multiply
    422,231.10x = 633,807.45 × 235,607.10
  4. Step 4: Simplify right side
    422,231.10x = 149,329,535,252.90
  5. Step 5: Solve for x
    x = 149,329,535,252.90/422,231.10
  6. Step 6: Final answer
    x = 353,667.78

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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.