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Finding the Fourth Proportional to 806,598, 1,113,105.24 and 448,986.48

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Solution

The fourth proportional to 806,598, 1,113,105.24 and 448,986.48 is: 619,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,598 : 1,113,105.24 = 448,986.48 : x
  2. Step 2: Convert to fraction form
    806,598/1,113,105.24 = 448,986.48/x
  3. Step 3: Cross multiply
    806,598x = 1,113,105.24 × 448,986.48
  4. Step 4: Simplify right side
    806,598x = 499,769,203,577.16
  5. Step 5: Solve for x
    x = 499,769,203,577.16/806,598
  6. Step 6: Final answer
    x = 619,601.34

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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.