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Finding the Fourth Proportional to 297,280.28, 445,864.36 and 84,046.50

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Solution

The fourth proportional to 297,280.28, 445,864.36 and 84,046.50 is: 126,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,280.28 : 445,864.36 = 84,046.50 : x
  2. Step 2: Convert to fraction form
    297,280.28/445,864.36 = 84,046.50/x
  3. Step 3: Cross multiply
    297,280.28x = 445,864.36 × 84,046.50
  4. Step 4: Simplify right side
    297,280.28x = 37,473,336,283.19
  5. Step 5: Solve for x
    x = 37,473,336,283.19/297,280.28
  6. Step 6: Final answer
    x = 126,053.89

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