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Finding the Fourth Proportional to 483,771.49, 667,565.16 and 284,829.30

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Solution

The fourth proportional to 483,771.49, 667,565.16 and 284,829.30 is: 393,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,771.49 : 667,565.16 = 284,829.30 : x
  2. Step 2: Convert to fraction form
    483,771.49/667,565.16 = 284,829.30/x
  3. Step 3: Cross multiply
    483,771.49x = 667,565.16 × 284,829.30
  4. Step 4: Simplify right side
    483,771.49x = 190,142,117,761.24
  5. Step 5: Solve for x
    x = 190,142,117,761.24/483,771.49
  6. Step 6: Final answer
    x = 393,041.18

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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.