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Finding the Fourth Proportional to 269,498.88, 403,804.98 and 213,697.44

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Solution

The fourth proportional to 269,498.88, 403,804.98 and 213,697.44 is: 320,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,498.88 : 403,804.98 = 213,697.44 : x
  2. Step 2: Convert to fraction form
    269,498.88/403,804.98 = 213,697.44/x
  3. Step 3: Cross multiply
    269,498.88x = 403,804.98 × 213,697.44
  4. Step 4: Simplify right side
    269,498.88x = 86,292,090,485.25
  5. Step 5: Solve for x
    x = 86,292,090,485.25/269,498.88
  6. Step 6: Final answer
    x = 320,194.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.