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Finding the Fourth Proportional to 551,894.91, 827,961.83 and 167,612.28

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Solution

The fourth proportional to 551,894.91, 827,961.83 and 167,612.28 is: 251,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,894.91 : 827,961.83 = 167,612.28 : x
  2. Step 2: Convert to fraction form
    551,894.91/827,961.83 = 167,612.28/x
  3. Step 3: Cross multiply
    551,894.91x = 827,961.83 × 167,612.28
  4. Step 4: Simplify right side
    551,894.91x = 138,776,570,079.27
  5. Step 5: Solve for x
    x = 138,776,570,079.27/551,894.91
  6. Step 6: Final answer
    x = 251,454.70

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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.