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Finding the Fourth Proportional to 425,289.25, 586,892.28 and 231,699.27

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Solution

The fourth proportional to 425,289.25, 586,892.28 and 231,699.27 is: 319,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,289.25 : 586,892.28 = 231,699.27 : x
  2. Step 2: Convert to fraction form
    425,289.25/586,892.28 = 231,699.27/x
  3. Step 3: Cross multiply
    425,289.25x = 586,892.28 × 231,699.27
  4. Step 4: Simplify right side
    425,289.25x = 135,982,512,844.64
  5. Step 5: Solve for x
    x = 135,982,512,844.64/425,289.25
  6. Step 6: Final answer
    x = 319,741.24

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Why These Related Problems?

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