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Finding the Fourth Proportional to 694,638.42, 957,682.08 and 500,884.02

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Solution

The fourth proportional to 694,638.42, 957,682.08 and 500,884.02 is: 690,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,638.42 : 957,682.08 = 500,884.02 : x
  2. Step 2: Convert to fraction form
    694,638.42/957,682.08 = 500,884.02/x
  3. Step 3: Cross multiply
    694,638.42x = 957,682.08 × 500,884.02
  4. Step 4: Simplify right side
    694,638.42x = 479,687,650,112.36
  5. Step 5: Solve for x
    x = 479,687,650,112.36/694,638.42
  6. Step 6: Final answer
    x = 690,557.33

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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.