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Finding the Fourth Proportional to 363,748.74, 501,998.50 and 220,514.82

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Solution

The fourth proportional to 363,748.74, 501,998.50 and 220,514.82 is: 304,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,748.74 : 501,998.50 = 220,514.82 : x
  2. Step 2: Convert to fraction form
    363,748.74/501,998.50 = 220,514.82/x
  3. Step 3: Cross multiply
    363,748.74x = 501,998.50 × 220,514.82
  4. Step 4: Simplify right side
    363,748.74x = 110,698,108,867.77
  5. Step 5: Solve for x
    x = 110,698,108,867.77/363,748.74
  6. Step 6: Final answer
    x = 304,325.75

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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.