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Finding the Fourth Proportional to 366,931.18, 550,396.77 and 167,640.80

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Solution

The fourth proportional to 366,931.18, 550,396.77 and 167,640.80 is: 251,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,931.18 : 550,396.77 = 167,640.80 : x
  2. Step 2: Convert to fraction form
    366,931.18/550,396.77 = 167,640.80/x
  3. Step 3: Cross multiply
    366,931.18x = 550,396.77 × 167,640.80
  4. Step 4: Simplify right side
    366,931.18x = 92,268,954,840.22
  5. Step 5: Solve for x
    x = 92,268,954,840.22/366,931.18
  6. Step 6: Final answer
    x = 251,461.20

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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.