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Finding the Fourth Proportional to 544,286.35, 816,431.42 and 165,210.29

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Solution

The fourth proportional to 544,286.35, 816,431.42 and 165,210.29 is: 247,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,286.35 : 816,431.42 = 165,210.29 : x
  2. Step 2: Convert to fraction form
    544,286.35/816,431.42 = 165,210.29/x
  3. Step 3: Cross multiply
    544,286.35x = 816,431.42 × 165,210.29
  4. Step 4: Simplify right side
    544,286.35x = 134,882,871,663.31
  5. Step 5: Solve for x
    x = 134,882,871,663.31/544,286.35
  6. Step 6: Final answer
    x = 247,816.01

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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.