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Finding the Fourth Proportional to 624,016.16, 936,102 and 203,179.04

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Solution

The fourth proportional to 624,016.16, 936,102 and 203,179.04 is: 304,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,016.16 : 936,102 = 203,179.04 : x
  2. Step 2: Convert to fraction form
    624,016.16/936,102 = 203,179.04/x
  3. Step 3: Cross multiply
    624,016.16x = 936,102 × 203,179.04
  4. Step 4: Simplify right side
    624,016.16x = 190,196,305,702.08
  5. Step 5: Solve for x
    x = 190,196,305,702.08/624,016.16
  6. Step 6: Final answer
    x = 304,793.88

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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.