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Finding the Fourth Proportional to 292,958.16, 403,991.12 and 220,534.44

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Solution

The fourth proportional to 292,958.16, 403,991.12 and 220,534.44 is: 304,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,958.16 : 403,991.12 = 220,534.44 : x
  2. Step 2: Convert to fraction form
    292,958.16/403,991.12 = 220,534.44/x
  3. Step 3: Cross multiply
    292,958.16x = 403,991.12 × 220,534.44
  4. Step 4: Simplify right side
    292,958.16x = 89,093,955,414.17
  5. Step 5: Solve for x
    x = 89,093,955,414.17/292,958.16
  6. Step 6: Final answer
    x = 304,118.36

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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.