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Finding the Fourth Proportional to 796,473.20, 1,099,133 and 438,777.20

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Solution

The fourth proportional to 796,473.20, 1,099,133 and 438,777.20 is: 605,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,473.20 : 1,099,133 = 438,777.20 : x
  2. Step 2: Convert to fraction form
    796,473.20/1,099,133 = 438,777.20/x
  3. Step 3: Cross multiply
    796,473.20x = 1,099,133 × 438,777.20
  4. Step 4: Simplify right side
    796,473.20x = 482,274,500,167.60
  5. Step 5: Solve for x
    x = 482,274,500,167.60/796,473.20
  6. Step 6: Final answer
    x = 605,512.53

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1.5x scale

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.