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Finding the Fourth Proportional to 624,168.70, 936,123.45 and 269,194.30

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Solution

The fourth proportional to 624,168.70, 936,123.45 and 269,194.30 is: 403,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,168.70 : 936,123.45 = 269,194.30 : x
  2. Step 2: Convert to fraction form
    624,168.70/936,123.45 = 269,194.30/x
  3. Step 3: Cross multiply
    624,168.70x = 936,123.45 × 269,194.30
  4. Step 4: Simplify right side
    624,168.70x = 251,999,096,836.34
  5. Step 5: Solve for x
    x = 251,999,096,836.34/624,168.70
  6. Step 6: Final answer
    x = 403,735.56

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1.5x scale

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.