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Finding the Fourth Proportional to 358,665.77, 495,196.97 and 222,902.30

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Solution

The fourth proportional to 358,665.77, 495,196.97 and 222,902.30 is: 307,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,665.77 : 495,196.97 = 222,902.30 : x
  2. Step 2: Convert to fraction form
    358,665.77/495,196.97 = 222,902.30/x
  3. Step 3: Cross multiply
    358,665.77x = 495,196.97 × 222,902.30
  4. Step 4: Simplify right side
    358,665.77x = 110,380,539,975.54
  5. Step 5: Solve for x
    x = 110,380,539,975.54/358,665.77
  6. Step 6: Final answer
    x = 307,753.21

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1.5x scale

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.