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Finding the Fourth Proportional to 624,182.70, 936,504.45 and 203,472.30

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Solution

The fourth proportional to 624,182.70, 936,504.45 and 203,472.30 is: 305,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,182.70 : 936,504.45 = 203,472.30 : x
  2. Step 2: Convert to fraction form
    624,182.70/936,504.45 = 203,472.30/x
  3. Step 3: Cross multiply
    624,182.70x = 936,504.45 × 203,472.30
  4. Step 4: Simplify right side
    624,182.70x = 190,552,714,401.74
  5. Step 5: Solve for x
    x = 190,552,714,401.74/624,182.70
  6. Step 6: Final answer
    x = 305,283.56

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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.