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Finding the Fourth Proportional to 228,175.38, 343,803.44 and 189,064.73

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Solution

The fourth proportional to 228,175.38, 343,803.44 and 189,064.73 is: 284,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,175.38 : 343,803.44 = 189,064.73 : x
  2. Step 2: Convert to fraction form
    228,175.38/343,803.44 = 189,064.73/x
  3. Step 3: Cross multiply
    228,175.38x = 343,803.44 × 189,064.73
  4. Step 4: Simplify right side
    228,175.38x = 65,001,104,825.35
  5. Step 5: Solve for x
    x = 65,001,104,825.35/228,175.38
  6. Step 6: Final answer
    x = 284,873.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.