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Finding the Fourth Proportional to 663,041.28, 994,233.60 and 536,367.36

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Solution

The fourth proportional to 663,041.28, 994,233.60 and 536,367.36 is: 804,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,041.28 : 994,233.60 = 536,367.36 : x
  2. Step 2: Convert to fraction form
    663,041.28/994,233.60 = 536,367.36/x
  3. Step 3: Cross multiply
    663,041.28x = 994,233.60 × 536,367.36
  4. Step 4: Simplify right side
    663,041.28x = 533,274,451,255.30
  5. Step 5: Solve for x
    x = 533,274,451,255.30/663,041.28
  6. Step 6: Final answer
    x = 804,285.45

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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.