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Finding the Fourth Proportional to 544,504.08, 816,795 and 145,142.76

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Solution

The fourth proportional to 544,504.08, 816,795 and 145,142.76 is: 217,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,504.08 : 816,795 = 145,142.76 : x
  2. Step 2: Convert to fraction form
    544,504.08/816,795 = 145,142.76/x
  3. Step 3: Cross multiply
    544,504.08x = 816,795 × 145,142.76
  4. Step 4: Simplify right side
    544,504.08x = 118,551,880,654.20
  5. Step 5: Solve for x
    x = 118,551,880,654.20/544,504.08
  6. Step 6: Final answer
    x = 217,724.50

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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.