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Finding the Fourth Proportional to 777,426.28, 1,166,232.86 and 734,911

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Solution

The fourth proportional to 777,426.28, 1,166,232.86 and 734,911 is: 1,102,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,426.28 : 1,166,232.86 = 734,911 : x
  2. Step 2: Convert to fraction form
    777,426.28/1,166,232.86 = 734,911/x
  3. Step 3: Cross multiply
    777,426.28x = 1,166,232.86 × 734,911
  4. Step 4: Simplify right side
    777,426.28x = 857,077,357,375.46
  5. Step 5: Solve for x
    x = 857,077,357,375.46/777,426.28
  6. Step 6: Final answer
    x = 1,102,454.83

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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.