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Finding the Fourth Proportional to 562,278.72, 843,285.60 and 207,099.84

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Solution

The fourth proportional to 562,278.72, 843,285.60 and 207,099.84 is: 310,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,278.72 : 843,285.60 = 207,099.84 : x
  2. Step 2: Convert to fraction form
    562,278.72/843,285.60 = 207,099.84/x
  3. Step 3: Cross multiply
    562,278.72x = 843,285.60 × 207,099.84
  4. Step 4: Simplify right side
    562,278.72x = 174,644,312,834.30
  5. Step 5: Solve for x
    x = 174,644,312,834.30/562,278.72
  6. Step 6: Final answer
    x = 310,600.96

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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.