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Finding the Fourth Proportional to 565,751.70, 848,627.55 and 543,978.90

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Solution

The fourth proportional to 565,751.70, 848,627.55 and 543,978.90 is: 815,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,751.70 : 848,627.55 = 543,978.90 : x
  2. Step 2: Convert to fraction form
    565,751.70/848,627.55 = 543,978.90/x
  3. Step 3: Cross multiply
    565,751.70x = 848,627.55 × 543,978.90
  4. Step 4: Simplify right side
    565,751.70x = 461,635,481,158.70
  5. Step 5: Solve for x
    x = 461,635,481,158.70/565,751.70
  6. Step 6: Final answer
    x = 815,968.35

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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.