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Finding the Fourth Proportional to 547,008.08, 820,369.13 and 162,653.43

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Solution

The fourth proportional to 547,008.08, 820,369.13 and 162,653.43 is: 243,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,008.08 : 820,369.13 = 162,653.43 : x
  2. Step 2: Convert to fraction form
    547,008.08/820,369.13 = 162,653.43/x
  3. Step 3: Cross multiply
    547,008.08x = 820,369.13 × 162,653.43
  4. Step 4: Simplify right side
    547,008.08x = 133,435,852,860.62
  5. Step 5: Solve for x
    x = 133,435,852,860.62/547,008.08
  6. Step 6: Final answer
    x = 243,937.63

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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.