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Finding the Fourth Proportional to 777,954.45, 1,073,114.48 and 605,599.60

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Solution

The fourth proportional to 777,954.45, 1,073,114.48 and 605,599.60 is: 835,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,954.45 : 1,073,114.48 = 605,599.60 : x
  2. Step 2: Convert to fraction form
    777,954.45/1,073,114.48 = 605,599.60/x
  3. Step 3: Cross multiply
    777,954.45x = 1,073,114.48 × 605,599.60
  4. Step 4: Simplify right side
    777,954.45x = 649,877,698,673.42
  5. Step 5: Solve for x
    x = 649,877,698,673.42/777,954.45
  6. Step 6: Final answer
    x = 835,367.29

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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.