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Finding the Fourth Proportional to 534,168.66, 801,331.92 and 155,040.26

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Solution

The fourth proportional to 534,168.66, 801,331.92 and 155,040.26 is: 232,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,168.66 : 801,331.92 = 155,040.26 : x
  2. Step 2: Convert to fraction form
    534,168.66/801,331.92 = 155,040.26/x
  3. Step 3: Cross multiply
    534,168.66x = 801,331.92 × 155,040.26
  4. Step 4: Simplify right side
    534,168.66x = 124,238,709,223.10
  5. Step 5: Solve for x
    x = 124,238,709,223.10/534,168.66
  6. Step 6: Final answer
    x = 232,583.30

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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.