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Finding the Fourth Proportional to 552,002.80, 827,712.60 and 236,102.80

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Solution

The fourth proportional to 552,002.80, 827,712.60 and 236,102.80 is: 354,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,002.80 : 827,712.60 = 236,102.80 : x
  2. Step 2: Convert to fraction form
    552,002.80/827,712.60 = 236,102.80/x
  3. Step 3: Cross multiply
    552,002.80x = 827,712.60 × 236,102.80
  4. Step 4: Simplify right side
    552,002.80x = 195,425,262,455.28
  5. Step 5: Solve for x
    x = 195,425,262,455.28/552,002.80
  6. Step 6: Final answer
    x = 354,029.48

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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.