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Finding the Fourth Proportional to 368,432.50, 552,648.58 and 165,791.74

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Solution

The fourth proportional to 368,432.50, 552,648.58 and 165,791.74 is: 248,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,432.50 : 552,648.58 = 165,791.74 : x
  2. Step 2: Convert to fraction form
    368,432.50/552,648.58 = 165,791.74/x
  3. Step 3: Cross multiply
    368,432.50x = 552,648.58 × 165,791.74
  4. Step 4: Simplify right side
    368,432.50x = 91,624,570,986.32
  5. Step 5: Solve for x
    x = 91,624,570,986.32/368,432.50
  6. Step 6: Final answer
    x = 248,687.54

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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.