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Finding the Fourth Proportional to 366,913.18, 550,369.77 and 167,622.80

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Solution

The fourth proportional to 366,913.18, 550,369.77 and 167,622.80 is: 251,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913.18 : 550,369.77 = 167,622.80 : x
  2. Step 2: Convert to fraction form
    366,913.18/550,369.77 = 167,622.80/x
  3. Step 3: Cross multiply
    366,913.18x = 550,369.77 × 167,622.80
  4. Step 4: Simplify right side
    366,913.18x = 92,254,521,882.76
  5. Step 5: Solve for x
    x = 92,254,521,882.76/366,913.18
  6. Step 6: Final answer
    x = 251,434.20

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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.