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Finding the Fourth Proportional to 301,843.68, 416,297.08 and 187,042.56

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Solution

The fourth proportional to 301,843.68, 416,297.08 and 187,042.56 is: 257,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,843.68 : 416,297.08 = 187,042.56 : x
  2. Step 2: Convert to fraction form
    301,843.68/416,297.08 = 187,042.56/x
  3. Step 3: Cross multiply
    301,843.68x = 416,297.08 × 187,042.56
  4. Step 4: Simplify right side
    301,843.68x = 77,865,271,563.72
  5. Step 5: Solve for x
    x = 77,865,271,563.72/301,843.68
  6. Step 6: Final answer
    x = 257,965.55

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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.