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Finding the Fourth Proportional to 608,217.52, 839,319 and 332,581.80

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Solution

The fourth proportional to 608,217.52, 839,319 and 332,581.80 is: 458,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,217.52 : 839,319 = 332,581.80 : x
  2. Step 2: Convert to fraction form
    608,217.52/839,319 = 332,581.80/x
  3. Step 3: Cross multiply
    608,217.52x = 839,319 × 332,581.80
  4. Step 4: Simplify right side
    608,217.52x = 279,142,223,794.20
  5. Step 5: Solve for x
    x = 279,142,223,794.20/608,217.52
  6. Step 6: Final answer
    x = 458,951.30

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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.