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Finding the Fourth Proportional to 565,644.20, 848,466.30 and 543,871.40

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Solution

The fourth proportional to 565,644.20, 848,466.30 and 543,871.40 is: 815,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,644.20 : 848,466.30 = 543,871.40 : x
  2. Step 2: Convert to fraction form
    565,644.20/848,466.30 = 543,871.40/x
  3. Step 3: Cross multiply
    565,644.20x = 848,466.30 × 543,871.40
  4. Step 4: Simplify right side
    565,644.20x = 461,456,554,433.82
  5. Step 5: Solve for x
    x = 461,456,554,433.82/565,644.20
  6. Step 6: Final answer
    x = 815,807.10

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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.