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Finding the Fourth Proportional to 624,552.35, 936,688.34 and 287,269.02

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Solution

The fourth proportional to 624,552.35, 936,688.34 and 287,269.02 is: 430,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,552.35 : 936,688.34 = 287,269.02 : x
  2. Step 2: Convert to fraction form
    624,552.35/936,688.34 = 287,269.02/x
  3. Step 3: Cross multiply
    624,552.35x = 936,688.34 × 287,269.02
  4. Step 4: Simplify right side
    624,552.35x = 269,081,542,195.40
  5. Step 5: Solve for x
    x = 269,081,542,195.40/624,552.35
  6. Step 6: Final answer
    x = 430,839.06

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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.