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Finding the Fourth Proportional to 426,369.92, 588,387.56 and 235,383.28

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Solution

The fourth proportional to 426,369.92, 588,387.56 and 235,383.28 is: 324,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,369.92 : 588,387.56 = 235,383.28 : x
  2. Step 2: Convert to fraction form
    426,369.92/588,387.56 = 235,383.28/x
  3. Step 3: Cross multiply
    426,369.92x = 588,387.56 × 235,383.28
  4. Step 4: Simplify right side
    426,369.92x = 138,496,593,784.00
  5. Step 5: Solve for x
    x = 138,496,593,784.00/426,369.92
  6. Step 6: Final answer
    x = 324,827.31

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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.