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Finding the Fourth Proportional to 608,216.52, 839,317.62 and 332,580.80

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Solution

The fourth proportional to 608,216.52, 839,317.62 and 332,580.80 is: 458,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,216.52 : 839,317.62 = 332,580.80 : x
  2. Step 2: Convert to fraction form
    608,216.52/839,317.62 = 332,580.80/x
  3. Step 3: Cross multiply
    608,216.52x = 839,317.62 × 332,580.80
  4. Step 4: Simplify right side
    608,216.52x = 279,140,925,513.70
  5. Step 5: Solve for x
    x = 279,140,925,513.70/608,216.52
  6. Step 6: Final answer
    x = 458,949.92

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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.