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Finding the Fourth Proportional to 546,522.20, 819,807.90 and 167,415.26

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Solution

The fourth proportional to 546,522.20, 819,807.90 and 167,415.26 is: 251,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,522.20 : 819,807.90 = 167,415.26 : x
  2. Step 2: Convert to fraction form
    546,522.20/819,807.90 = 167,415.26/x
  3. Step 3: Cross multiply
    546,522.20x = 819,807.90 × 167,415.26
  4. Step 4: Simplify right side
    546,522.20x = 137,248,351,891.48
  5. Step 5: Solve for x
    x = 137,248,351,891.48/546,522.20
  6. Step 6: Final answer
    x = 251,130.43

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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.