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Finding the Fourth Proportional to 250,328.45, 375,739.37 and 178,361.30

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Solution

The fourth proportional to 250,328.45, 375,739.37 and 178,361.30 is: 267,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,328.45 : 375,739.37 = 178,361.30 : x
  2. Step 2: Convert to fraction form
    250,328.45/375,739.37 = 178,361.30/x
  3. Step 3: Cross multiply
    250,328.45x = 375,739.37 × 178,361.30
  4. Step 4: Simplify right side
    250,328.45x = 67,017,362,494.38
  5. Step 5: Solve for x
    x = 67,017,362,494.38/250,328.45
  6. Step 6: Final answer
    x = 267,717.72

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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.