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Finding the Fourth Proportional to 435,057, 600,244.07 and 253,640.55

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Solution

The fourth proportional to 435,057, 600,244.07 and 253,640.55 is: 349,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,057 : 600,244.07 = 253,640.55 : x
  2. Step 2: Convert to fraction form
    435,057/600,244.07 = 253,640.55/x
  3. Step 3: Cross multiply
    435,057x = 600,244.07 × 253,640.55
  4. Step 4: Simplify right side
    435,057x = 152,246,236,049.04
  5. Step 5: Solve for x
    x = 152,246,236,049.04/435,057
  6. Step 6: Final answer
    x = 349,945.49

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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.