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Finding the Fourth Proportional to 348,808.95, 523,257.17 and 171,166.23

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Solution

The fourth proportional to 348,808.95, 523,257.17 and 171,166.23 is: 256,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,808.95 : 523,257.17 = 171,166.23 : x
  2. Step 2: Convert to fraction form
    348,808.95/523,257.17 = 171,166.23/x
  3. Step 3: Cross multiply
    348,808.95x = 523,257.17 × 171,166.23
  4. Step 4: Simplify right side
    348,808.95x = 89,563,956,253.54
  5. Step 5: Solve for x
    x = 89,563,956,253.54/348,808.95
  6. Step 6: Final answer
    x = 256,770.81

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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.