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Finding the Fourth Proportional to 476,702.72, 713,965.44 and 227,559.68

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Solution

The fourth proportional to 476,702.72, 713,965.44 and 227,559.68 is: 340,819.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,702.72 : 713,965.44 = 227,559.68 : x
  2. Step 2: Convert to fraction form
    476,702.72/713,965.44 = 227,559.68/x
  3. Step 3: Cross multiply
    476,702.72x = 713,965.44 × 227,559.68
  4. Step 4: Simplify right side
    476,702.72x = 162,469,747,057.46
  5. Step 5: Solve for x
    x = 162,469,747,057.46/476,702.72
  6. Step 6: Final answer
    x = 340,819.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.