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Finding the Fourth Proportional to 297,362.68, 410,349.52 and 161,393.71

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Solution

The fourth proportional to 297,362.68, 410,349.52 and 161,393.71 is: 222,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,362.68 : 410,349.52 = 161,393.71 : x
  2. Step 2: Convert to fraction form
    297,362.68/410,349.52 = 161,393.71/x
  3. Step 3: Cross multiply
    297,362.68x = 410,349.52 × 161,393.71
  4. Step 4: Simplify right side
    297,362.68x = 66,227,831,429.52
  5. Step 5: Solve for x
    x = 66,227,831,429.52/297,362.68
  6. Step 6: Final answer
    x = 222,717.36

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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.