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Finding the Fourth Proportional to 304,306.72, 419,974.66 and 175,249.42

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Solution

The fourth proportional to 304,306.72, 419,974.66 and 175,249.42 is: 241,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,306.72 : 419,974.66 = 175,249.42 : x
  2. Step 2: Convert to fraction form
    304,306.72/419,974.66 = 175,249.42/x
  3. Step 3: Cross multiply
    304,306.72x = 419,974.66 × 175,249.42
  4. Step 4: Simplify right side
    304,306.72x = 73,600,316,017.82
  5. Step 5: Solve for x
    x = 73,600,316,017.82/304,306.72
  6. Step 6: Final answer
    x = 241,862.28

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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.