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Finding the Fourth Proportional to 562,639.96, 843,376.74 and 351,793.72

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Solution

The fourth proportional to 562,639.96, 843,376.74 and 351,793.72 is: 527,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,639.96 : 843,376.74 = 351,793.72 : x
  2. Step 2: Convert to fraction form
    562,639.96/843,376.74 = 351,793.72/x
  3. Step 3: Cross multiply
    562,639.96x = 843,376.74 × 351,793.72
  4. Step 4: Simplify right side
    562,639.96x = 296,694,640,726.07
  5. Step 5: Solve for x
    x = 296,694,640,726.07/562,639.96
  6. Step 6: Final answer
    x = 527,325.93

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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.