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Finding the Fourth Proportional to 795,690, 1,098,052.20 and 437,994

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Solution

The fourth proportional to 795,690, 1,098,052.20 and 437,994 is: 604,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,690 : 1,098,052.20 = 437,994 : x
  2. Step 2: Convert to fraction form
    795,690/1,098,052.20 = 437,994/x
  3. Step 3: Cross multiply
    795,690x = 1,098,052.20 × 437,994
  4. Step 4: Simplify right side
    795,690x = 480,940,275,286.80
  5. Step 5: Solve for x
    x = 480,940,275,286.80/795,690
  6. Step 6: Final answer
    x = 604,431.72

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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.