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Finding the Fourth Proportional to 529,430.30, 794,145.45 and 439,228.70

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Solution

The fourth proportional to 529,430.30, 794,145.45 and 439,228.70 is: 658,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,430.30 : 794,145.45 = 439,228.70 : x
  2. Step 2: Convert to fraction form
    529,430.30/794,145.45 = 439,228.70/x
  3. Step 3: Cross multiply
    529,430.30x = 794,145.45 × 439,228.70
  4. Step 4: Simplify right side
    529,430.30x = 348,811,473,614.42
  5. Step 5: Solve for x
    x = 348,811,473,614.42/529,430.30
  6. Step 6: Final answer
    x = 658,843.05

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