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Finding the Fourth Proportional to 567,020.80, 848,562.90 and 519,781.60

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Solution

The fourth proportional to 567,020.80, 848,562.90 and 519,781.60 is: 777,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,020.80 : 848,562.90 = 519,781.60 : x
  2. Step 2: Convert to fraction form
    567,020.80/848,562.90 = 519,781.60/x
  3. Step 3: Cross multiply
    567,020.80x = 848,562.90 × 519,781.60
  4. Step 4: Simplify right side
    567,020.80x = 441,067,381,862.64
  5. Step 5: Solve for x
    x = 441,067,381,862.64/567,020.80
  6. Step 6: Final answer
    x = 777,868.08

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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.