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Finding the Fourth Proportional to 483,388.64, 725,160.72 and 202,986.08

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Solution

The fourth proportional to 483,388.64, 725,160.72 and 202,986.08 is: 304,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,388.64 : 725,160.72 = 202,986.08 : x
  2. Step 2: Convert to fraction form
    483,388.64/725,160.72 = 202,986.08/x
  3. Step 3: Cross multiply
    483,388.64x = 725,160.72 × 202,986.08
  4. Step 4: Simplify right side
    483,388.64x = 147,197,531,922.78
  5. Step 5: Solve for x
    x = 147,197,531,922.78/483,388.64
  6. Step 6: Final answer
    x = 304,511.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.