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Finding the Fourth Proportional to 497,794.32, 746,690 and 123,817.32

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Solution

The fourth proportional to 497,794.32, 746,690 and 123,817.32 is: 185,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,794.32 : 746,690 = 123,817.32 : x
  2. Step 2: Convert to fraction form
    497,794.32/746,690 = 123,817.32/x
  3. Step 3: Cross multiply
    497,794.32x = 746,690 × 123,817.32
  4. Step 4: Simplify right side
    497,794.32x = 92,453,154,670.80
  5. Step 5: Solve for x
    x = 92,453,154,670.80/497,794.32
  6. Step 6: Final answer
    x = 185,725.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.