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Finding the Fourth Proportional to 362,815.65, 544,059.45 and 163,033.20

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Solution

The fourth proportional to 362,815.65, 544,059.45 and 163,033.20 is: 244,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,815.65 : 544,059.45 = 163,033.20 : x
  2. Step 2: Convert to fraction form
    362,815.65/544,059.45 = 163,033.20/x
  3. Step 3: Cross multiply
    362,815.65x = 544,059.45 × 163,033.20
  4. Step 4: Simplify right side
    362,815.65x = 88,699,753,123.74
  5. Step 5: Solve for x
    x = 88,699,753,123.74/362,815.65
  6. Step 6: Final answer
    x = 244,476.09

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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.