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Finding the Fourth Proportional to 450,797.40, 622,081.20 and 246,844.68

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Solution

The fourth proportional to 450,797.40, 622,081.20 and 246,844.68 is: 340,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,797.40 : 622,081.20 = 246,844.68 : x
  2. Step 2: Convert to fraction form
    450,797.40/622,081.20 = 246,844.68/x
  3. Step 3: Cross multiply
    450,797.40x = 622,081.20 × 246,844.68
  4. Step 4: Simplify right side
    450,797.40x = 153,557,434,748.02
  5. Step 5: Solve for x
    x = 153,557,434,748.02/450,797.40
  6. Step 6: Final answer
    x = 340,635.14

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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.