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Finding the Fourth Proportional to 624,833.28, 937,055.96 and 225,422

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Solution

The fourth proportional to 624,833.28, 937,055.96 and 225,422 is: 338,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,833.28 : 937,055.96 = 225,422 : x
  2. Step 2: Convert to fraction form
    624,833.28/937,055.96 = 225,422/x
  3. Step 3: Cross multiply
    624,833.28x = 937,055.96 × 225,422
  4. Step 4: Simplify right side
    624,833.28x = 211,233,028,615.12
  5. Step 5: Solve for x
    x = 211,233,028,615.12/624,833.28
  6. Step 6: Final answer
    x = 338,063.02

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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.