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Finding the Fourth Proportional to 624,538, 936,832.92 and 181,306

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Solution

The fourth proportional to 624,538, 936,832.92 and 181,306 is: 271,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,538 : 936,832.92 = 181,306 : x
  2. Step 2: Convert to fraction form
    624,538/936,832.92 = 181,306/x
  3. Step 3: Cross multiply
    624,538x = 936,832.92 × 181,306
  4. Step 4: Simplify right side
    624,538x = 169,853,429,393.52
  5. Step 5: Solve for x
    x = 169,853,429,393.52/624,538
  6. Step 6: Final answer
    x = 271,966.52

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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.