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Finding the Fourth Proportional to 298,881.87, 412,444.57 and 162,912.83

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Solution

The fourth proportional to 298,881.87, 412,444.57 and 162,912.83 is: 224,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,881.87 : 412,444.57 = 162,912.83 : x
  2. Step 2: Convert to fraction form
    298,881.87/412,444.57 = 162,912.83/x
  3. Step 3: Cross multiply
    298,881.87x = 412,444.57 × 162,912.83
  4. Step 4: Simplify right side
    298,881.87x = 67,192,510,054.61
  5. Step 5: Solve for x
    x = 67,192,510,054.61/298,881.87
  6. Step 6: Final answer
    x = 224,812.93

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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.