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Finding the Fourth Proportional to 363,956.41, 502,261.80 and 211,085.20

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Solution

The fourth proportional to 363,956.41, 502,261.80 and 211,085.20 is: 291,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,956.41 : 502,261.80 = 211,085.20 : x
  2. Step 2: Convert to fraction form
    363,956.41/502,261.80 = 211,085.20/x
  3. Step 3: Cross multiply
    363,956.41x = 502,261.80 × 211,085.20
  4. Step 4: Simplify right side
    363,956.41x = 106,020,029,994.05
  5. Step 5: Solve for x
    x = 106,020,029,994.05/363,956.41
  6. Step 6: Final answer
    x = 291,298.71

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