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Finding the Fourth Proportional to 309,321.44, 464,017.22 and 277,536.22

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Solution

The fourth proportional to 309,321.44, 464,017.22 and 277,536.22 is: 416,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,321.44 : 464,017.22 = 277,536.22 : x
  2. Step 2: Convert to fraction form
    309,321.44/464,017.22 = 277,536.22/x
  3. Step 3: Cross multiply
    309,321.44x = 464,017.22 × 277,536.22
  4. Step 4: Simplify right side
    309,321.44x = 128,781,582,705.98
  5. Step 5: Solve for x
    x = 128,781,582,705.98/309,321.44
  6. Step 6: Final answer
    x = 416,335.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.