Home / 298,875.20-449,187.60-293,626.40

Finding the Fourth Proportional to 298,875.20, 449,187.60 and 293,626.40

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Solution

The fourth proportional to 298,875.20, 449,187.60 and 293,626.40 is: 441,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,875.20 : 449,187.60 = 293,626.40 : x
  2. Step 2: Convert to fraction form
    298,875.20/449,187.60 = 293,626.40/x
  3. Step 3: Cross multiply
    298,875.20x = 449,187.60 × 293,626.40
  4. Step 4: Simplify right side
    298,875.20x = 131,893,337,912.64
  5. Step 5: Solve for x
    x = 131,893,337,912.64/298,875.20
  6. Step 6: Final answer
    x = 441,299.04

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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.