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Finding the Fourth Proportional to 298,737.45, 412,252.47 and 162,772.54

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Solution

The fourth proportional to 298,737.45, 412,252.47 and 162,772.54 is: 224,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,737.45 : 412,252.47 = 162,772.54 : x
  2. Step 2: Convert to fraction form
    298,737.45/412,252.47 = 162,772.54/x
  3. Step 3: Cross multiply
    298,737.45x = 412,252.47 × 162,772.54
  4. Step 4: Simplify right side
    298,737.45x = 67,103,380,632.54
  5. Step 5: Solve for x
    x = 67,103,380,632.54/298,737.45
  6. Step 6: Final answer
    x = 224,623.26

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1.5x scale

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.