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Finding the Fourth Proportional to 683,611.58, 942,771.07 and 569,268.85

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Solution

The fourth proportional to 683,611.58, 942,771.07 and 569,268.85 is: 785,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,611.58 : 942,771.07 = 569,268.85 : x
  2. Step 2: Convert to fraction form
    683,611.58/942,771.07 = 569,268.85/x
  3. Step 3: Cross multiply
    683,611.58x = 942,771.07 × 569,268.85
  4. Step 4: Simplify right side
    683,611.58x = 536,690,202,832.17
  5. Step 5: Solve for x
    x = 536,690,202,832.17/683,611.58
  6. Step 6: Final answer
    x = 785,080.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.