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Finding the Fourth Proportional to 666,659.00, 1,000,092.38 and 217,275.60

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Solution

The fourth proportional to 666,659.00, 1,000,092.38 and 217,275.60 is: 325,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,659.00 : 1,000,092.38 = 217,275.60 : x
  2. Step 2: Convert to fraction form
    666,659.00/1,000,092.38 = 217,275.60/x
  3. Step 3: Cross multiply
    666,659.00x = 1,000,092.38 × 217,275.60
  4. Step 4: Simplify right side
    666,659.00x = 217,295,670,833.55
  5. Step 5: Solve for x
    x = 217,295,670,833.55/666,659.00
  6. Step 6: Final answer
    x = 325,947.26

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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.