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Finding the Fourth Proportional to 415,772.33, 624,009.02 and 163,230.18

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Solution

The fourth proportional to 415,772.33, 624,009.02 and 163,230.18 is: 244,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,772.33 : 624,009.02 = 163,230.18 : x
  2. Step 2: Convert to fraction form
    415,772.33/624,009.02 = 163,230.18/x
  3. Step 3: Cross multiply
    415,772.33x = 624,009.02 × 163,230.18
  4. Step 4: Simplify right side
    415,772.33x = 101,857,104,656.22
  5. Step 5: Solve for x
    x = 101,857,104,656.22/415,772.33
  6. Step 6: Final answer
    x = 244,982.88

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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.