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Finding the Fourth Proportional to 898,398.20, 1,346,431.86 and 365,298.68

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Solution

The fourth proportional to 898,398.20, 1,346,431.86 and 365,298.68 is: 547,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,398.20 : 1,346,431.86 = 365,298.68 : x
  2. Step 2: Convert to fraction form
    898,398.20/1,346,431.86 = 365,298.68/x
  3. Step 3: Cross multiply
    898,398.20x = 1,346,431.86 × 365,298.68
  4. Step 4: Simplify right side
    898,398.20x = 491,849,781,167.95
  5. Step 5: Solve for x
    x = 491,849,781,167.95/898,398.20
  6. Step 6: Final answer
    x = 547,474.14

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