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Finding the Fourth Proportional to 326,298.46, 450,374.66 and 222,974.50

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Solution

The fourth proportional to 326,298.46, 450,374.66 and 222,974.50 is: 307,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,298.46 : 450,374.66 = 222,974.50 : x
  2. Step 2: Convert to fraction form
    326,298.46/450,374.66 = 222,974.50/x
  3. Step 3: Cross multiply
    326,298.46x = 450,374.66 × 222,974.50
  4. Step 4: Simplify right side
    326,298.46x = 100,422,064,626.17
  5. Step 5: Solve for x
    x = 100,422,064,626.17/326,298.46
  6. Step 6: Final answer
    x = 307,761.38

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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.