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Finding the Fourth Proportional to 624,009.20, 935,668.20 and 268,962.80

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Solution

The fourth proportional to 624,009.20, 935,668.20 and 268,962.80 is: 403,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,009.20 : 935,668.20 = 268,962.80 : x
  2. Step 2: Convert to fraction form
    624,009.20/935,668.20 = 268,962.80/x
  3. Step 3: Cross multiply
    624,009.20x = 935,668.20 × 268,962.80
  4. Step 4: Simplify right side
    624,009.20x = 251,659,938,942.96
  5. Step 5: Solve for x
    x = 251,659,938,942.96/624,009.20
  6. Step 6: Final answer
    x = 403,295.24

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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.