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Finding the Fourth Proportional to 363,203.08, 500,936.58 and 309,665.32

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Solution

The fourth proportional to 363,203.08, 500,936.58 and 309,665.32 is: 427,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,203.08 : 500,936.58 = 309,665.32 : x
  2. Step 2: Convert to fraction form
    363,203.08/500,936.58 = 309,665.32/x
  3. Step 3: Cross multiply
    363,203.08x = 500,936.58 × 309,665.32
  4. Step 4: Simplify right side
    363,203.08x = 155,122,686,345.41
  5. Step 5: Solve for x
    x = 155,122,686,345.41/363,203.08
  6. Step 6: Final answer
    x = 427,096.29

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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.