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Finding the Fourth Proportional to 562,731.92, 776,622.84 and 336,372.56

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Solution

The fourth proportional to 562,731.92, 776,622.84 and 336,372.56 is: 464,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,731.92 : 776,622.84 = 336,372.56 : x
  2. Step 2: Convert to fraction form
    562,731.92/776,622.84 = 336,372.56/x
  3. Step 3: Cross multiply
    562,731.92x = 776,622.84 × 336,372.56
  4. Step 4: Simplify right side
    562,731.92x = 261,234,612,845.27
  5. Step 5: Solve for x
    x = 261,234,612,845.27/562,731.92
  6. Step 6: Final answer
    x = 464,225.69

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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.