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Finding the Fourth Proportional to 369,857.80, 554,462.70 and 251,144.20

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Solution

The fourth proportional to 369,857.80, 554,462.70 and 251,144.20 is: 376,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,857.80 : 554,462.70 = 251,144.20 : x
  2. Step 2: Convert to fraction form
    369,857.80/554,462.70 = 251,144.20/x
  3. Step 3: Cross multiply
    369,857.80x = 554,462.70 × 251,144.20
  4. Step 4: Simplify right side
    369,857.80x = 139,250,091,221.34
  5. Step 5: Solve for x
    x = 139,250,091,221.34/369,857.80
  6. Step 6: Final answer
    x = 376,496.29

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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.