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Finding the Fourth Proportional to 259,369.62, 358,019.40 and 151,974.42

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Solution

The fourth proportional to 259,369.62, 358,019.40 and 151,974.42 is: 209,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,369.62 : 358,019.40 = 151,974.42 : x
  2. Step 2: Convert to fraction form
    259,369.62/358,019.40 = 151,974.42/x
  3. Step 3: Cross multiply
    259,369.62x = 358,019.40 × 151,974.42
  4. Step 4: Simplify right side
    259,369.62x = 54,409,790,663.75
  5. Step 5: Solve for x
    x = 54,409,790,663.75/259,369.62
  6. Step 6: Final answer
    x = 209,777.04

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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.