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Finding the Fourth Proportional to 228,847.78, 343,187.40 and 79,049.62

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Solution

The fourth proportional to 228,847.78, 343,187.40 and 79,049.62 is: 118,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,847.78 : 343,187.40 = 79,049.62 : x
  2. Step 2: Convert to fraction form
    228,847.78/343,187.40 = 79,049.62/x
  3. Step 3: Cross multiply
    228,847.78x = 343,187.40 × 79,049.62
  4. Step 4: Simplify right side
    228,847.78x = 27,128,833,558.79
  5. Step 5: Solve for x
    x = 27,128,833,558.79/228,847.78
  6. Step 6: Final answer
    x = 118,545.32

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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.