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Finding the Fourth Proportional to 476,794.26, 658,558.89 and 356,470.38

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Solution

The fourth proportional to 476,794.26, 658,558.89 and 356,470.38 is: 492,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,794.26 : 658,558.89 = 356,470.38 : x
  2. Step 2: Convert to fraction form
    476,794.26/658,558.89 = 356,470.38/x
  3. Step 3: Cross multiply
    476,794.26x = 658,558.89 × 356,470.38
  4. Step 4: Simplify right side
    476,794.26x = 234,756,737,770.68
  5. Step 5: Solve for x
    x = 234,756,737,770.68/476,794.26
  6. Step 6: Final answer
    x = 492,364.86

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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.