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Finding the Fourth Proportional to 544,588.92, 816,922.44 and 145,227.60

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Solution

The fourth proportional to 544,588.92, 816,922.44 and 145,227.60 is: 217,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,588.92 : 816,922.44 = 145,227.60 : x
  2. Step 2: Convert to fraction form
    544,588.92/816,922.44 = 145,227.60/x
  3. Step 3: Cross multiply
    544,588.92x = 816,922.44 × 145,227.60
  4. Step 4: Simplify right side
    544,588.92x = 118,639,685,347.34
  5. Step 5: Solve for x
    x = 118,639,685,347.34/544,588.92
  6. Step 6: Final answer
    x = 217,851.82

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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.