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Finding the Fourth Proportional to 547,231.10, 820,846.65 and 173,254.10

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Solution

The fourth proportional to 547,231.10, 820,846.65 and 173,254.10 is: 259,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,231.10 : 820,846.65 = 173,254.10 : x
  2. Step 2: Convert to fraction form
    547,231.10/820,846.65 = 173,254.10/x
  3. Step 3: Cross multiply
    547,231.10x = 820,846.65 × 173,254.10
  4. Step 4: Simplify right side
    547,231.10x = 142,215,047,583.77
  5. Step 5: Solve for x
    x = 142,215,047,583.77/547,231.10
  6. Step 6: Final answer
    x = 259,881.15

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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.