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Finding the Fourth Proportional to 544,352.95, 816,561.21 and 165,286.05

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Solution

The fourth proportional to 544,352.95, 816,561.21 and 165,286.05 is: 247,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,352.95 : 816,561.21 = 165,286.05 : x
  2. Step 2: Convert to fraction form
    544,352.95/816,561.21 = 165,286.05/x
  3. Step 3: Cross multiply
    544,352.95x = 816,561.21 × 165,286.05
  4. Step 4: Simplify right side
    544,352.95x = 134,966,176,157.69
  5. Step 5: Solve for x
    x = 134,966,176,157.69/544,352.95
  6. Step 6: Final answer
    x = 247,938.72

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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.