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Finding the Fourth Proportional to 356,068.80, 534,189.60 and 251,092.80

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Solution

The fourth proportional to 356,068.80, 534,189.60 and 251,092.80 is: 376,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,068.80 : 534,189.60 = 251,092.80 : x
  2. Step 2: Convert to fraction form
    356,068.80/534,189.60 = 251,092.80/x
  3. Step 3: Cross multiply
    356,068.80x = 534,189.60 × 251,092.80
  4. Step 4: Simplify right side
    356,068.80x = 134,131,162,394.88
  5. Step 5: Solve for x
    x = 134,131,162,394.88/356,068.80
  6. Step 6: Final answer
    x = 376,700.13

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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.