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Finding the Fourth Proportional to 297,765.89, 446,601.78 and 247,487.66

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Solution

The fourth proportional to 297,765.89, 446,601.78 and 247,487.66 is: 371,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,765.89 : 446,601.78 = 247,487.66 : x
  2. Step 2: Convert to fraction form
    297,765.89/446,601.78 = 247,487.66/x
  3. Step 3: Cross multiply
    297,765.89x = 446,601.78 × 247,487.66
  4. Step 4: Simplify right side
    297,765.89x = 110,528,427,251.03
  5. Step 5: Solve for x
    x = 110,528,427,251.03/297,765.89
  6. Step 6: Final answer
    x = 371,192.38

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1.5x scale

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.