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Finding the Fourth Proportional to 573,321.22, 859,982.22 and 146,858.64

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Solution

The fourth proportional to 573,321.22, 859,982.22 and 146,858.64 is: 220,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,321.22 : 859,982.22 = 146,858.64 : x
  2. Step 2: Convert to fraction form
    573,321.22/859,982.22 = 146,858.64/x
  3. Step 3: Cross multiply
    573,321.22x = 859,982.22 × 146,858.64
  4. Step 4: Simplify right side
    573,321.22x = 126,295,819,253.38
  5. Step 5: Solve for x
    x = 126,295,819,253.38/573,321.22
  6. Step 6: Final answer
    x = 220,288.06

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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.