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Finding the Fourth Proportional to 663,851.09, 995,750.72 and 190,536.30

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Solution

The fourth proportional to 663,851.09, 995,750.72 and 190,536.30 is: 285,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,851.09 : 995,750.72 = 190,536.30 : x
  2. Step 2: Convert to fraction form
    663,851.09/995,750.72 = 190,536.30/x
  3. Step 3: Cross multiply
    663,851.09x = 995,750.72 × 190,536.30
  4. Step 4: Simplify right side
    663,851.09x = 189,726,657,672.97
  5. Step 5: Solve for x
    x = 189,726,657,672.97/663,851.09
  6. Step 6: Final answer
    x = 285,797.01

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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.