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Finding the Fourth Proportional to 355,944.16, 491,198.32 and 194,796.28

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Solution

The fourth proportional to 355,944.16, 491,198.32 and 194,796.28 is: 268,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,944.16 : 491,198.32 = 194,796.28 : x
  2. Step 2: Convert to fraction form
    355,944.16/491,198.32 = 194,796.28/x
  3. Step 3: Cross multiply
    355,944.16x = 491,198.32 × 194,796.28
  4. Step 4: Simplify right side
    355,944.16x = 95,683,605,478.25
  5. Step 5: Solve for x
    x = 95,683,605,478.25/355,944.16
  6. Step 6: Final answer
    x = 268,816.34

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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.