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Finding the Fourth Proportional to 358,735.05, 495,035.66 and 222,766.08

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Solution

The fourth proportional to 358,735.05, 495,035.66 and 222,766.08 is: 307,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,735.05 : 495,035.66 = 222,766.08 : x
  2. Step 2: Convert to fraction form
    358,735.05/495,035.66 = 222,766.08/x
  3. Step 3: Cross multiply
    358,735.05x = 495,035.66 × 222,766.08
  4. Step 4: Simplify right side
    358,735.05x = 110,277,152,324.58
  5. Step 5: Solve for x
    x = 110,277,152,324.58/358,735.05
  6. Step 6: Final answer
    x = 307,405.57

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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.