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Finding the Fourth Proportional to 235,371.36, 324,500.40 and 194,936.16

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Solution

The fourth proportional to 235,371.36, 324,500.40 and 194,936.16 is: 268,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,371.36 : 324,500.40 = 194,936.16 : x
  2. Step 2: Convert to fraction form
    235,371.36/324,500.40 = 194,936.16/x
  3. Step 3: Cross multiply
    235,371.36x = 324,500.40 × 194,936.16
  4. Step 4: Simplify right side
    235,371.36x = 63,256,861,894.46
  5. Step 5: Solve for x
    x = 63,256,861,894.46/235,371.36
  6. Step 6: Final answer
    x = 268,753.44

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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.