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Finding the Fourth Proportional to 305,950.66, 422,257.53 and 241,271.62

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Solution

The fourth proportional to 305,950.66, 422,257.53 and 241,271.62 is: 332,990.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,950.66 : 422,257.53 = 241,271.62 : x
  2. Step 2: Convert to fraction form
    305,950.66/422,257.53 = 241,271.62/x
  3. Step 3: Cross multiply
    305,950.66x = 422,257.53 × 241,271.62
  4. Step 4: Simplify right side
    305,950.66x = 101,878,758,320.30
  5. Step 5: Solve for x
    x = 101,878,758,320.30/305,950.66
  6. Step 6: Final answer
    x = 332,990.81

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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.