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Finding the Fourth Proportional to 268,397.96, 370,393.79 and 147,544.34

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Solution

The fourth proportional to 268,397.96, 370,393.79 and 147,544.34 is: 203,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,397.96 : 370,393.79 = 147,544.34 : x
  2. Step 2: Convert to fraction form
    268,397.96/370,393.79 = 147,544.34/x
  3. Step 3: Cross multiply
    268,397.96x = 370,393.79 × 147,544.34
  4. Step 4: Simplify right side
    268,397.96x = 54,649,504,695.96
  5. Step 5: Solve for x
    x = 54,649,504,695.96/268,397.96
  6. Step 6: Final answer
    x = 203,613.71

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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.