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Finding the Fourth Proportional to 624,365.52, 936,832.68 and 264,634.80

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Solution

The fourth proportional to 624,365.52, 936,832.68 and 264,634.80 is: 397,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,365.52 : 936,832.68 = 264,634.80 : x
  2. Step 2: Convert to fraction form
    624,365.52/936,832.68 = 264,634.80/x
  3. Step 3: Cross multiply
    624,365.52x = 936,832.68 × 264,634.80
  4. Step 4: Simplify right side
    624,365.52x = 247,918,528,905.26
  5. Step 5: Solve for x
    x = 247,918,528,905.26/624,365.52
  6. Step 6: Final answer
    x = 397,072.74

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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.