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Finding the Fourth Proportional to 292,026.66, 403,179.22 and 223,912.71

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Solution

The fourth proportional to 292,026.66, 403,179.22 and 223,912.71 is: 309,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,026.66 : 403,179.22 = 223,912.71 : x
  2. Step 2: Convert to fraction form
    292,026.66/403,179.22 = 223,912.71/x
  3. Step 3: Cross multiply
    292,026.66x = 403,179.22 × 223,912.71
  4. Step 4: Simplify right side
    292,026.66x = 90,276,951,765.89
  5. Step 5: Solve for x
    x = 90,276,951,765.89/292,026.66
  6. Step 6: Final answer
    x = 309,139.42

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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.