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Finding the Fourth Proportional to 363,543.58, 501,678.52 and 202,390.44

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Solution

The fourth proportional to 363,543.58, 501,678.52 and 202,390.44 is: 279,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,543.58 : 501,678.52 = 202,390.44 : x
  2. Step 2: Convert to fraction form
    363,543.58/501,678.52 = 202,390.44/x
  3. Step 3: Cross multiply
    363,543.58x = 501,678.52 × 202,390.44
  4. Step 4: Simplify right side
    363,543.58x = 101,534,936,401.35
  5. Step 5: Solve for x
    x = 101,534,936,401.35/363,543.58
  6. Step 6: Final answer
    x = 279,292.34

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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.