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Finding the Fourth Proportional to 577,801.26, 865,992.02 and 324,549.40

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Solution

The fourth proportional to 577,801.26, 865,992.02 and 324,549.40 is: 486,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,801.26 : 865,992.02 = 324,549.40 : x
  2. Step 2: Convert to fraction form
    577,801.26/865,992.02 = 324,549.40/x
  3. Step 3: Cross multiply
    577,801.26x = 865,992.02 × 324,549.40
  4. Step 4: Simplify right side
    577,801.26x = 281,057,190,495.79
  5. Step 5: Solve for x
    x = 281,057,190,495.79/577,801.26
  6. Step 6: Final answer
    x = 486,425.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.