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Finding the Fourth Proportional to 548,600.76, 822,688.44 and 188,703.18

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Solution

The fourth proportional to 548,600.76, 822,688.44 and 188,703.18 is: 282,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,600.76 : 822,688.44 = 188,703.18 : x
  2. Step 2: Convert to fraction form
    548,600.76/822,688.44 = 188,703.18/x
  3. Step 3: Cross multiply
    548,600.76x = 822,688.44 × 188,703.18
  4. Step 4: Simplify right side
    548,600.76x = 155,243,924,777.24
  5. Step 5: Solve for x
    x = 155,243,924,777.24/548,600.76
  6. Step 6: Final answer
    x = 282,981.61

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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.