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Finding the Fourth Proportional to 300,383.51, 414,530.57 and 162,562.46

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Solution

The fourth proportional to 300,383.51, 414,530.57 and 162,562.46 is: 224,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,383.51 : 414,530.57 = 162,562.46 : x
  2. Step 2: Convert to fraction form
    300,383.51/414,530.57 = 162,562.46/x
  3. Step 3: Cross multiply
    300,383.51x = 414,530.57 × 162,562.46
  4. Step 4: Simplify right side
    300,383.51x = 67,387,107,131.75
  5. Step 5: Solve for x
    x = 67,387,107,131.75/300,383.51
  6. Step 6: Final answer
    x = 224,336.91

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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.