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Finding the Fourth Proportional to 344,493.75, 475,494.90 and 223,627.98

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Solution

The fourth proportional to 344,493.75, 475,494.90 and 223,627.98 is: 308,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,493.75 : 475,494.90 = 223,627.98 : x
  2. Step 2: Convert to fraction form
    344,493.75/475,494.90 = 223,627.98/x
  3. Step 3: Cross multiply
    344,493.75x = 475,494.90 × 223,627.98
  4. Step 4: Simplify right side
    344,493.75x = 106,333,963,987.30
  5. Step 5: Solve for x
    x = 106,333,963,987.30/344,493.75
  6. Step 6: Final answer
    x = 308,667.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.