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Finding the Fourth Proportional to 624,471.81, 936,710.15 and 151,156.41

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Solution

The fourth proportional to 624,471.81, 936,710.15 and 151,156.41 is: 226,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,471.81 : 936,710.15 = 151,156.41 : x
  2. Step 2: Convert to fraction form
    624,471.81/936,710.15 = 151,156.41/x
  3. Step 3: Cross multiply
    624,471.81x = 936,710.15 × 151,156.41
  4. Step 4: Simplify right side
    624,471.81x = 141,589,742,728.78
  5. Step 5: Solve for x
    x = 141,589,742,728.78/624,471.81
  6. Step 6: Final answer
    x = 226,735.20

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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.