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Finding the Fourth Proportional to 503,715.33, 695,176.20 and 376,169.49

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Solution

The fourth proportional to 503,715.33, 695,176.20 and 376,169.49 is: 519,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,715.33 : 695,176.20 = 376,169.49 : x
  2. Step 2: Convert to fraction form
    503,715.33/695,176.20 = 376,169.49/x
  3. Step 3: Cross multiply
    503,715.33x = 695,176.20 × 376,169.49
  4. Step 4: Simplify right side
    503,715.33x = 261,504,076,614.14
  5. Step 5: Solve for x
    x = 261,504,076,614.14/503,715.33
  6. Step 6: Final answer
    x = 519,150.52

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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.