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Finding the Fourth Proportional to 624,505.40, 936,760.44 and 151,190

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Solution

The fourth proportional to 624,505.40, 936,760.44 and 151,190 is: 226,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,505.40 : 936,760.44 = 151,190 : x
  2. Step 2: Convert to fraction form
    624,505.40/936,760.44 = 151,190/x
  3. Step 3: Cross multiply
    624,505.40x = 936,760.44 × 151,190
  4. Step 4: Simplify right side
    624,505.40x = 141,628,810,923.60
  5. Step 5: Solve for x
    x = 141,628,810,923.60/624,505.40
  6. Step 6: Final answer
    x = 226,785.57

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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.