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Finding the Fourth Proportional to 344,878.56, 476,231.76 and 254,391.84

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Solution

The fourth proportional to 344,878.56, 476,231.76 and 254,391.84 is: 351,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,878.56 : 476,231.76 = 254,391.84 : x
  2. Step 2: Convert to fraction form
    344,878.56/476,231.76 = 254,391.84/x
  3. Step 3: Cross multiply
    344,878.56x = 476,231.76 × 254,391.84
  4. Step 4: Simplify right side
    344,878.56x = 121,149,473,692.84
  5. Step 5: Solve for x
    x = 121,149,473,692.84/344,878.56
  6. Step 6: Final answer
    x = 351,281.55

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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.