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Finding the Fourth Proportional to 546,478.75, 819,772.82 and 167,395.11

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Solution

The fourth proportional to 546,478.75, 819,772.82 and 167,395.11 is: 251,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,478.75 : 819,772.82 = 167,395.11 : x
  2. Step 2: Convert to fraction form
    546,478.75/819,772.82 = 167,395.11/x
  3. Step 3: Cross multiply
    546,478.75x = 819,772.82 × 167,395.11
  4. Step 4: Simplify right side
    546,478.75x = 137,225,961,378.91
  5. Step 5: Solve for x
    x = 137,225,961,378.91/546,478.75
  6. Step 6: Final answer
    x = 251,109.42

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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.