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Finding the Fourth Proportional to 547,753.88, 821,619.88 and 248,178.62

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Solution

The fourth proportional to 547,753.88, 821,619.88 and 248,178.62 is: 372,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,753.88 : 821,619.88 = 248,178.62 : x
  2. Step 2: Convert to fraction form
    547,753.88/821,619.88 = 248,178.62/x
  3. Step 3: Cross multiply
    547,753.88x = 821,619.88 × 248,178.62
  4. Step 4: Simplify right side
    547,753.88x = 203,908,483,254.42
  5. Step 5: Solve for x
    x = 203,908,483,254.42/547,753.88
  6. Step 6: Final answer
    x = 372,262.97

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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.