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Finding the Fourth Proportional to 568,052.37, 782,961.12 and 498,965.04

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Solution

The fourth proportional to 568,052.37, 782,961.12 and 498,965.04 is: 687,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,052.37 : 782,961.12 = 498,965.04 : x
  2. Step 2: Convert to fraction form
    568,052.37/782,961.12 = 498,965.04/x
  3. Step 3: Cross multiply
    568,052.37x = 782,961.12 × 498,965.04
  4. Step 4: Simplify right side
    568,052.37x = 390,670,226,559.25
  5. Step 5: Solve for x
    x = 390,670,226,559.25/568,052.37
  6. Step 6: Final answer
    x = 687,736.28

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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.