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Finding the Fourth Proportional to 497,909.14, 687,111.42 and 283,049.20

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Solution

The fourth proportional to 497,909.14, 687,111.42 and 283,049.20 is: 390,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,909.14 : 687,111.42 = 283,049.20 : x
  2. Step 2: Convert to fraction form
    497,909.14/687,111.42 = 283,049.20/x
  3. Step 3: Cross multiply
    497,909.14x = 687,111.42 × 283,049.20
  4. Step 4: Simplify right side
    497,909.14x = 194,486,337,741.86
  5. Step 5: Solve for x
    x = 194,486,337,741.86/497,909.14
  6. Step 6: Final answer
    x = 390,606.08

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