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Finding the Fourth Proportional to 366,898.33, 550,310.64 and 100,685.62

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Solution

The fourth proportional to 366,898.33, 550,310.64 and 100,685.62 is: 151,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,898.33 : 550,310.64 = 100,685.62 : x
  2. Step 2: Convert to fraction form
    366,898.33/550,310.64 = 100,685.62/x
  3. Step 3: Cross multiply
    366,898.33x = 550,310.64 × 100,685.62
  4. Step 4: Simplify right side
    366,898.33x = 55,408,367,981.00
  5. Step 5: Solve for x
    x = 55,408,367,981.00/366,898.33
  6. Step 6: Final answer
    x = 151,018.32

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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.