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Finding the Fourth Proportional to 548,487.16, 823,026 and 546,817.78

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Solution

The fourth proportional to 548,487.16, 823,026 and 546,817.78 is: 820,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,487.16 : 823,026 = 546,817.78 : x
  2. Step 2: Convert to fraction form
    548,487.16/823,026 = 546,817.78/x
  3. Step 3: Cross multiply
    548,487.16x = 823,026 × 546,817.78
  4. Step 4: Simplify right side
    548,487.16x = 450,045,250,202.28
  5. Step 5: Solve for x
    x = 450,045,250,202.28/548,487.16
  6. Step 6: Final answer
    x = 820,521.03

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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.