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Finding the Fourth Proportional to 362,394.72, 543,037.68 and 151,917.84

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Solution

The fourth proportional to 362,394.72, 543,037.68 and 151,917.84 is: 227,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,394.72 : 543,037.68 = 151,917.84 : x
  2. Step 2: Convert to fraction form
    362,394.72/543,037.68 = 151,917.84/x
  3. Step 3: Cross multiply
    362,394.72x = 543,037.68 × 151,917.84
  4. Step 4: Simplify right side
    362,394.72x = 82,497,111,384.21
  5. Step 5: Solve for x
    x = 82,497,111,384.21/362,394.72
  6. Step 6: Final answer
    x = 227,644.35

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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.