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Finding the Fourth Proportional to 544,012.60, 816,134.10 and 164,902.20

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Solution

The fourth proportional to 544,012.60, 816,134.10 and 164,902.20 is: 247,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,012.60 : 816,134.10 = 164,902.20 : x
  2. Step 2: Convert to fraction form
    544,012.60/816,134.10 = 164,902.20/x
  3. Step 3: Cross multiply
    544,012.60x = 816,134.10 × 164,902.20
  4. Step 4: Simplify right side
    544,012.60x = 134,582,308,585.02
  5. Step 5: Solve for x
    x = 134,582,308,585.02/544,012.60
  6. Step 6: Final answer
    x = 247,388.22

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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.