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Finding the Fourth Proportional to 695,559.68, 959,857.92 and 377,607.68

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Solution

The fourth proportional to 695,559.68, 959,857.92 and 377,607.68 is: 521,090.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,559.68 : 959,857.92 = 377,607.68 : x
  2. Step 2: Convert to fraction form
    695,559.68/959,857.92 = 377,607.68/x
  3. Step 3: Cross multiply
    695,559.68x = 959,857.92 × 377,607.68
  4. Step 4: Simplify right side
    695,559.68x = 362,449,722,300.83
  5. Step 5: Solve for x
    x = 362,449,722,300.83/695,559.68
  6. Step 6: Final answer
    x = 521,090.76

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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.