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Finding the Fourth Proportional to 297,788.80, 446,683.20 and 248,022.40

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Solution

The fourth proportional to 297,788.80, 446,683.20 and 248,022.40 is: 372,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,788.80 : 446,683.20 = 248,022.40 : x
  2. Step 2: Convert to fraction form
    297,788.80/446,683.20 = 248,022.40/x
  3. Step 3: Cross multiply
    297,788.80x = 446,683.20 × 248,022.40
  4. Step 4: Simplify right side
    297,788.80x = 110,787,439,303.68
  5. Step 5: Solve for x
    x = 110,787,439,303.68/297,788.80
  6. Step 6: Final answer
    x = 372,033.60

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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.