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Finding the Fourth Proportional to 451,030.11, 622,422.30 and 247,076.58

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Solution

The fourth proportional to 451,030.11, 622,422.30 and 247,076.58 is: 340,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,030.11 : 622,422.30 = 247,076.58 : x
  2. Step 2: Convert to fraction form
    451,030.11/622,422.30 = 247,076.58/x
  3. Step 3: Cross multiply
    451,030.11x = 622,422.30 × 247,076.58
  4. Step 4: Simplify right side
    451,030.11x = 153,785,973,199.73
  5. Step 5: Solve for x
    x = 153,785,973,199.73/451,030.11
  6. Step 6: Final answer
    x = 340,966.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.