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Finding the Fourth Proportional to 358,704.15, 495,024.42 and 222,812.52

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Solution

The fourth proportional to 358,704.15, 495,024.42 and 222,812.52 is: 307,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,704.15 : 495,024.42 = 222,812.52 : x
  2. Step 2: Convert to fraction form
    358,704.15/495,024.42 = 222,812.52/x
  3. Step 3: Cross multiply
    358,704.15x = 495,024.42 × 222,812.52
  4. Step 4: Simplify right side
    358,704.15x = 110,297,638,481.74
  5. Step 5: Solve for x
    x = 110,297,638,481.74/358,704.15
  6. Step 6: Final answer
    x = 307,489.16

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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.