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Finding the Fourth Proportional to 436,115.75, 601,751.51 and 254,792.64

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Solution

The fourth proportional to 436,115.75, 601,751.51 and 254,792.64 is: 351,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,115.75 : 601,751.51 = 254,792.64 : x
  2. Step 2: Convert to fraction form
    436,115.75/601,751.51 = 254,792.64/x
  3. Step 3: Cross multiply
    436,115.75x = 601,751.51 × 254,792.64
  4. Step 4: Simplify right side
    436,115.75x = 153,321,856,493.87
  5. Step 5: Solve for x
    x = 153,321,856,493.87/436,115.75
  6. Step 6: Final answer
    x = 351,562.30

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1.5x scale

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.