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Finding the Fourth Proportional to 567,056.80, 848,616.90 and 519,817.60

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Solution

The fourth proportional to 567,056.80, 848,616.90 and 519,817.60 is: 777,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,056.80 : 848,616.90 = 519,817.60 : x
  2. Step 2: Convert to fraction form
    567,056.80/848,616.90 = 519,817.60/x
  3. Step 3: Cross multiply
    567,056.80x = 848,616.90 × 519,817.60
  4. Step 4: Simplify right side
    567,056.80x = 441,126,000,277.44
  5. Step 5: Solve for x
    x = 441,126,000,277.44/567,056.80
  6. Step 6: Final answer
    x = 777,922.07

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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.