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Finding the Fourth Proportional to 363,761.06, 501,911.09 and 220,556.30

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Solution

The fourth proportional to 363,761.06, 501,911.09 and 220,556.30 is: 304,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,761.06 : 501,911.09 = 220,556.30 : x
  2. Step 2: Convert to fraction form
    363,761.06/501,911.09 = 220,556.30/x
  3. Step 3: Cross multiply
    363,761.06x = 501,911.09 × 220,556.30
  4. Step 4: Simplify right side
    363,761.06x = 110,699,653,804.45
  5. Step 5: Solve for x
    x = 110,699,653,804.45/363,761.06
  6. Step 6: Final answer
    x = 304,319.69

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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.