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Finding the Fourth Proportional to 544,550.58, 816,829.92 and 189,563.76

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Solution

The fourth proportional to 544,550.58, 816,829.92 and 189,563.76 is: 284,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,550.58 : 816,829.92 = 189,563.76 : x
  2. Step 2: Convert to fraction form
    544,550.58/816,829.92 = 189,563.76/x
  3. Step 3: Cross multiply
    544,550.58x = 816,829.92 × 189,563.76
  4. Step 4: Simplify right side
    544,550.58x = 154,841,350,915.70
  5. Step 5: Solve for x
    x = 154,841,350,915.70/544,550.58
  6. Step 6: Final answer
    x = 284,347.05

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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.