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Finding the Fourth Proportional to 607,684.50, 838,621.52 and 335,769.92

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Solution

The fourth proportional to 607,684.50, 838,621.52 and 335,769.92 is: 463,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,684.50 : 838,621.52 = 335,769.92 : x
  2. Step 2: Convert to fraction form
    607,684.50/838,621.52 = 335,769.92/x
  3. Step 3: Cross multiply
    607,684.50x = 838,621.52 × 335,769.92
  4. Step 4: Simplify right side
    607,684.50x = 281,583,880,680.68
  5. Step 5: Solve for x
    x = 281,583,880,680.68/607,684.50
  6. Step 6: Final answer
    x = 463,371.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.