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Finding the Fourth Proportional to 551,524.23, 827,287.02 and 172,447.02

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Solution

The fourth proportional to 551,524.23, 827,287.02 and 172,447.02 is: 258,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,524.23 : 827,287.02 = 172,447.02 : x
  2. Step 2: Convert to fraction form
    551,524.23/827,287.02 = 172,447.02/x
  3. Step 3: Cross multiply
    551,524.23x = 827,287.02 × 172,447.02
  4. Step 4: Simplify right side
    551,524.23x = 142,663,181,283.68
  5. Step 5: Solve for x
    x = 142,663,181,283.68/551,524.23
  6. Step 6: Final answer
    x = 258,670.74

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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.