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Finding the Fourth Proportional to 300,385.02, 414,532.64 and 162,563.96

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Solution

The fourth proportional to 300,385.02, 414,532.64 and 162,563.96 is: 224,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,385.02 : 414,532.64 = 162,563.96 : x
  2. Step 2: Convert to fraction form
    300,385.02/414,532.64 = 162,563.96/x
  3. Step 3: Cross multiply
    300,385.02x = 414,532.64 × 162,563.96
  4. Step 4: Simplify right side
    300,385.02x = 67,388,067,507.65
  5. Step 5: Solve for x
    x = 67,388,067,507.65/300,385.02
  6. Step 6: Final answer
    x = 224,338.98

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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.