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Finding the Fourth Proportional to 571,979.27, 787,816.16 and 426,318.26

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Solution

The fourth proportional to 571,979.27, 787,816.16 and 426,318.26 is: 587,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,979.27 : 787,816.16 = 426,318.26 : x
  2. Step 2: Convert to fraction form
    571,979.27/787,816.16 = 426,318.26/x
  3. Step 3: Cross multiply
    571,979.27x = 787,816.16 × 426,318.26
  4. Step 4: Simplify right side
    571,979.27x = 335,860,410,059.10
  5. Step 5: Solve for x
    x = 335,860,410,059.10/571,979.27
  6. Step 6: Final answer
    x = 587,189.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.