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Finding the Fourth Proportional to 416,228.85, 624,272.92 and 116,640.53

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Solution

The fourth proportional to 416,228.85, 624,272.92 and 116,640.53 is: 174,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,228.85 : 624,272.92 = 116,640.53 : x
  2. Step 2: Convert to fraction form
    416,228.85/624,272.92 = 116,640.53/x
  3. Step 3: Cross multiply
    416,228.85x = 624,272.92 × 116,640.53
  4. Step 4: Simplify right side
    416,228.85x = 72,815,525,593.38
  5. Step 5: Solve for x
    x = 72,815,525,593.38/416,228.85
  6. Step 6: Final answer
    x = 174,941.08

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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.