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Finding the Fourth Proportional to 547,822.26, 821,634.93 and 248,247

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Solution

The fourth proportional to 547,822.26, 821,634.93 and 248,247 is: 372,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,822.26 : 821,634.93 = 248,247 : x
  2. Step 2: Convert to fraction form
    547,822.26/821,634.93 = 248,247/x
  3. Step 3: Cross multiply
    547,822.26x = 821,634.93 × 248,247
  4. Step 4: Simplify right side
    547,822.26x = 203,968,406,467.71
  5. Step 5: Solve for x
    x = 203,968,406,467.71/547,822.26
  6. Step 6: Final answer
    x = 372,325.88

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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.