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Finding the Fourth Proportional to 364,090.78, 502,660.78 and 323,692.96

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Solution

The fourth proportional to 364,090.78, 502,660.78 and 323,692.96 is: 446,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,090.78 : 502,660.78 = 323,692.96 : x
  2. Step 2: Convert to fraction form
    364,090.78/502,660.78 = 323,692.96/x
  3. Step 3: Cross multiply
    364,090.78x = 502,660.78 × 323,692.96
  4. Step 4: Simplify right side
    364,090.78x = 162,707,753,656.12
  5. Step 5: Solve for x
    x = 162,707,753,656.12/364,090.78
  6. Step 6: Final answer
    x = 446,887.88

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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.