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Finding the Fourth Proportional to 363,421.24, 501,512.37 and 200,076.38

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Solution

The fourth proportional to 363,421.24, 501,512.37 and 200,076.38 is: 276,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,421.24 : 501,512.37 = 200,076.38 : x
  2. Step 2: Convert to fraction form
    363,421.24/501,512.37 = 200,076.38/x
  3. Step 3: Cross multiply
    363,421.24x = 501,512.37 × 200,076.38
  4. Step 4: Simplify right side
    363,421.24x = 100,340,779,514.82
  5. Step 5: Solve for x
    x = 100,340,779,514.82/363,421.24
  6. Step 6: Final answer
    x = 276,100.48

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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.