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Finding the Fourth Proportional to 366,251.76, 505,469.16 and 223,095.60

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Solution

The fourth proportional to 366,251.76, 505,469.16 and 223,095.60 is: 307,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,251.76 : 505,469.16 = 223,095.60 : x
  2. Step 2: Convert to fraction form
    366,251.76/505,469.16 = 223,095.60/x
  3. Step 3: Cross multiply
    366,251.76x = 505,469.16 × 223,095.60
  4. Step 4: Simplify right side
    366,251.76x = 112,767,945,531.70
  5. Step 5: Solve for x
    x = 112,767,945,531.70/366,251.76
  6. Step 6: Final answer
    x = 307,897.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.