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Finding the Fourth Proportional to 292,548.38, 403,745.40 and 177,816.98

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Solution

The fourth proportional to 292,548.38, 403,745.40 and 177,816.98 is: 245,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,548.38 : 403,745.40 = 177,816.98 : x
  2. Step 2: Convert to fraction form
    292,548.38/403,745.40 = 177,816.98/x
  3. Step 3: Cross multiply
    292,548.38x = 403,745.40 × 177,816.98
  4. Step 4: Simplify right side
    292,548.38x = 71,792,787,716.89
  5. Step 5: Solve for x
    x = 71,792,787,716.89/292,548.38
  6. Step 6: Final answer
    x = 245,404.84

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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.