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Finding the Fourth Proportional to 414,555.44, 620,836.67 and 236,522.70

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Solution

The fourth proportional to 414,555.44, 620,836.67 and 236,522.70 is: 354,215.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,555.44 : 620,836.67 = 236,522.70 : x
  2. Step 2: Convert to fraction form
    414,555.44/620,836.67 = 236,522.70/x
  3. Step 3: Cross multiply
    414,555.44x = 620,836.67 × 236,522.70
  4. Step 4: Simplify right side
    414,555.44x = 146,841,964,264.80
  5. Step 5: Solve for x
    x = 146,841,964,264.80/414,555.44
  6. Step 6: Final answer
    x = 354,215.51

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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.