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Finding the Fourth Proportional to 522,268.62, 716,036.96 and 512,820.78

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Solution

The fourth proportional to 522,268.62, 716,036.96 and 512,820.78 is: 703,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,268.62 : 716,036.96 = 512,820.78 : x
  2. Step 2: Convert to fraction form
    522,268.62/716,036.96 = 512,820.78/x
  3. Step 3: Cross multiply
    522,268.62x = 716,036.96 × 512,820.78
  4. Step 4: Simplify right side
    522,268.62x = 367,198,629,771.93
  5. Step 5: Solve for x
    x = 367,198,629,771.93/522,268.62
  6. Step 6: Final answer
    x = 703,083.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.