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Finding the Fourth Proportional to 586,774.80, 880,162.20 and 287,447.40

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Solution

The fourth proportional to 586,774.80, 880,162.20 and 287,447.40 is: 431,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,774.80 : 880,162.20 = 287,447.40 : x
  2. Step 2: Convert to fraction form
    586,774.80/880,162.20 = 287,447.40/x
  3. Step 3: Cross multiply
    586,774.80x = 880,162.20 × 287,447.40
  4. Step 4: Simplify right side
    586,774.80x = 253,000,335,968.28
  5. Step 5: Solve for x
    x = 253,000,335,968.28/586,774.80
  6. Step 6: Final answer
    x = 431,171.10

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