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Finding the Fourth Proportional to 624,576, 936,889.92 and 181,344

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Solution

The fourth proportional to 624,576, 936,889.92 and 181,344 is: 272,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,576 : 936,889.92 = 181,344 : x
  2. Step 2: Convert to fraction form
    624,576/936,889.92 = 181,344/x
  3. Step 3: Cross multiply
    624,576x = 936,889.92 × 181,344
  4. Step 4: Simplify right side
    624,576x = 169,899,365,652.48
  5. Step 5: Solve for x
    x = 169,899,365,652.48/624,576
  6. Step 6: Final answer
    x = 272,023.53

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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.