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Finding the Fourth Proportional to 624,269.68, 936,431.20 and 245,272.48

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Solution

The fourth proportional to 624,269.68, 936,431.20 and 245,272.48 is: 367,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,269.68 : 936,431.20 = 245,272.48 : x
  2. Step 2: Convert to fraction form
    624,269.68/936,431.20 = 245,272.48/x
  3. Step 3: Cross multiply
    624,269.68x = 936,431.20 × 245,272.48
  4. Step 4: Simplify right side
    624,269.68x = 229,680,802,773.38
  5. Step 5: Solve for x
    x = 229,680,802,773.38/624,269.68
  6. Step 6: Final answer
    x = 367,919.20

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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.