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Finding the Fourth Proportional to 689,658.51, 951,586.04 and 403,123.17

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Solution

The fourth proportional to 689,658.51, 951,586.04 and 403,123.17 is: 556,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,658.51 : 951,586.04 = 403,123.17 : x
  2. Step 2: Convert to fraction form
    689,658.51/951,586.04 = 403,123.17/x
  3. Step 3: Cross multiply
    689,658.51x = 951,586.04 × 403,123.17
  4. Step 4: Simplify right side
    689,658.51x = 383,606,378,956.93
  5. Step 5: Solve for x
    x = 383,606,378,956.93/689,658.51
  6. Step 6: Final answer
    x = 556,226.56

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