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Finding the Fourth Proportional to 533,142.28, 796,308.70 and 482,462.74

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Solution

The fourth proportional to 533,142.28, 796,308.70 and 482,462.74 is: 720,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,142.28 : 796,308.70 = 482,462.74 : x
  2. Step 2: Convert to fraction form
    533,142.28/796,308.70 = 482,462.74/x
  3. Step 3: Cross multiply
    533,142.28x = 796,308.70 × 482,462.74
  4. Step 4: Simplify right side
    533,142.28x = 384,189,274,090.91
  5. Step 5: Solve for x
    x = 384,189,274,090.91/533,142.28
  6. Step 6: Final answer
    x = 720,613.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.