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Finding the Fourth Proportional to 476,588.42, 658,278.33 and 356,267

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Solution

The fourth proportional to 476,588.42, 658,278.33 and 356,267 is: 492,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,588.42 : 658,278.33 = 356,267 : x
  2. Step 2: Convert to fraction form
    476,588.42/658,278.33 = 356,267/x
  3. Step 3: Cross multiply
    476,588.42x = 658,278.33 × 356,267
  4. Step 4: Simplify right side
    476,588.42x = 234,522,845,794.11
  5. Step 5: Solve for x
    x = 234,522,845,794.11/476,588.42
  6. Step 6: Final answer
    x = 492,086.75

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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.