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Finding the Fourth Proportional to 806,595, 1,113,101.10 and 448,983.48

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Solution

The fourth proportional to 806,595, 1,113,101.10 and 448,983.48 is: 619,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,595 : 1,113,101.10 = 448,983.48 : x
  2. Step 2: Convert to fraction form
    806,595/1,113,101.10 = 448,983.48/x
  3. Step 3: Cross multiply
    806,595x = 1,113,101.10 × 448,983.48
  4. Step 4: Simplify right side
    806,595x = 499,764,005,469.83
  5. Step 5: Solve for x
    x = 499,764,005,469.83/806,595
  6. Step 6: Final answer
    x = 619,597.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.