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Finding the Fourth Proportional to 297,361.40, 410,347.74 and 161,392.42

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Solution

The fourth proportional to 297,361.40, 410,347.74 and 161,392.42 is: 222,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,361.40 : 410,347.74 = 161,392.42 : x
  2. Step 2: Convert to fraction form
    297,361.40/410,347.74 = 161,392.42/x
  3. Step 3: Cross multiply
    297,361.40x = 410,347.74 × 161,392.42
  4. Step 4: Simplify right side
    297,361.40x = 66,227,015,918.29
  5. Step 5: Solve for x
    x = 66,227,015,918.29/297,361.40
  6. Step 6: Final answer
    x = 222,715.58

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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.