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Finding the Fourth Proportional to 294,353.64, 441,545.22 and 84,022.56

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Solution

The fourth proportional to 294,353.64, 441,545.22 and 84,022.56 is: 126,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,353.64 : 441,545.22 = 84,022.56 : x
  2. Step 2: Convert to fraction form
    294,353.64/441,545.22 = 84,022.56/x
  3. Step 3: Cross multiply
    294,353.64x = 441,545.22 × 84,022.56
  4. Step 4: Simplify right side
    294,353.64x = 37,099,759,740.16
  5. Step 5: Solve for x
    x = 37,099,759,740.16/294,353.64
  6. Step 6: Final answer
    x = 126,038.05

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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.