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Finding the Fourth Proportional to 539,157.77, 808,310.51 and 269,147.33

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Solution

The fourth proportional to 539,157.77, 808,310.51 and 269,147.33 is: 403,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,157.77 : 808,310.51 = 269,147.33 : x
  2. Step 2: Convert to fraction form
    539,157.77/808,310.51 = 269,147.33/x
  3. Step 3: Cross multiply
    539,157.77x = 808,310.51 × 269,147.33
  4. Step 4: Simplify right side
    539,157.77x = 217,554,610,190.15
  5. Step 5: Solve for x
    x = 217,554,610,190.15/539,157.77
  6. Step 6: Final answer
    x = 403,508.26

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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.