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Finding the Fourth Proportional to 803,043.06, 1,206,447.03 and 757,650.66

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Solution

The fourth proportional to 803,043.06, 1,206,447.03 and 757,650.66 is: 1,138,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,043.06 : 1,206,447.03 = 757,650.66 : x
  2. Step 2: Convert to fraction form
    803,043.06/1,206,447.03 = 757,650.66/x
  3. Step 3: Cross multiply
    803,043.06x = 1,206,447.03 × 757,650.66
  4. Step 4: Simplify right side
    803,043.06x = 914,065,388,534.54
  5. Step 5: Solve for x
    x = 914,065,388,534.54/803,043.06
  6. Step 6: Final answer
    x = 1,138,252.02

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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.