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Finding the Fourth Proportional to 306,226.33, 422,616.01 and 183,723.32

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Solution

The fourth proportional to 306,226.33, 422,616.01 and 183,723.32 is: 253,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,226.33 : 422,616.01 = 183,723.32 : x
  2. Step 2: Convert to fraction form
    306,226.33/422,616.01 = 183,723.32/x
  3. Step 3: Cross multiply
    306,226.33x = 422,616.01 × 183,723.32
  4. Step 4: Simplify right side
    306,226.33x = 77,644,417,039.58
  5. Step 5: Solve for x
    x = 77,644,417,039.58/306,226.33
  6. Step 6: Final answer
    x = 253,552.39

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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.