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Finding the Fourth Proportional to 363,420.78, 501,308.10 and 236,181.12

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Solution

The fourth proportional to 363,420.78, 501,308.10 and 236,181.12 is: 325,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,420.78 : 501,308.10 = 236,181.12 : x
  2. Step 2: Convert to fraction form
    363,420.78/501,308.10 = 236,181.12/x
  3. Step 3: Cross multiply
    363,420.78x = 501,308.10 × 236,181.12
  4. Step 4: Simplify right side
    363,420.78x = 118,399,508,523.07
  5. Step 5: Solve for x
    x = 118,399,508,523.07/363,420.78
  6. Step 6: Final answer
    x = 325,791.80

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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.