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Finding the Fourth Proportional to 541,533.60, 812,387.88 and 167,556.60

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Solution

The fourth proportional to 541,533.60, 812,387.88 and 167,556.60 is: 251,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,533.60 : 812,387.88 = 167,556.60 : x
  2. Step 2: Convert to fraction form
    541,533.60/812,387.88 = 167,556.60/x
  3. Step 3: Cross multiply
    541,533.60x = 812,387.88 × 167,556.60
  4. Step 4: Simplify right side
    541,533.60x = 136,120,951,054.01
  5. Step 5: Solve for x
    x = 136,120,951,054.01/541,533.60
  6. Step 6: Final answer
    x = 251,361.97

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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.