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Finding the Fourth Proportional to 521,545.16, 719,844.63 and 317,663.30

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Solution

The fourth proportional to 521,545.16, 719,844.63 and 317,663.30 is: 438,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,545.16 : 719,844.63 = 317,663.30 : x
  2. Step 2: Convert to fraction form
    521,545.16/719,844.63 = 317,663.30/x
  3. Step 3: Cross multiply
    521,545.16x = 719,844.63 × 317,663.30
  4. Step 4: Simplify right side
    521,545.16x = 228,668,220,653.08
  5. Step 5: Solve for x
    x = 228,668,220,653.08/521,545.16
  6. Step 6: Final answer
    x = 438,443.76

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