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Finding the Fourth Proportional to 567,057.80, 848,618.40 and 519,818.60

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Solution

The fourth proportional to 567,057.80, 848,618.40 and 519,818.60 is: 777,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,057.80 : 848,618.40 = 519,818.60 : x
  2. Step 2: Convert to fraction form
    567,057.80/848,618.40 = 519,818.60/x
  3. Step 3: Cross multiply
    567,057.80x = 848,618.40 × 519,818.60
  4. Step 4: Simplify right side
    567,057.80x = 441,127,628,622.24
  5. Step 5: Solve for x
    x = 441,127,628,622.24/567,057.80
  6. Step 6: Final answer
    x = 777,923.57

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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.