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Finding the Fourth Proportional to 403,805.06, 557,254.74 and 222,523.48

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Solution

The fourth proportional to 403,805.06, 557,254.74 and 222,523.48 is: 307,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,805.06 : 557,254.74 = 222,523.48 : x
  2. Step 2: Convert to fraction form
    403,805.06/557,254.74 = 222,523.48/x
  3. Step 3: Cross multiply
    403,805.06x = 557,254.74 × 222,523.48
  4. Step 4: Simplify right side
    403,805.06x = 124,002,263,991.30
  5. Step 5: Solve for x
    x = 124,002,263,991.30/403,805.06
  6. Step 6: Final answer
    x = 307,084.47

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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.