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Finding the Fourth Proportional to 370,735.88, 555,718.62 and 157,640.60

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Solution

The fourth proportional to 370,735.88, 555,718.62 and 157,640.60 is: 236,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,735.88 : 555,718.62 = 157,640.60 : x
  2. Step 2: Convert to fraction form
    370,735.88/555,718.62 = 157,640.60/x
  3. Step 3: Cross multiply
    370,735.88x = 555,718.62 × 157,640.60
  4. Step 4: Simplify right side
    370,735.88x = 87,603,816,687.97
  5. Step 5: Solve for x
    x = 87,603,816,687.97/370,735.88
  6. Step 6: Final answer
    x = 236,297.11

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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.