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Finding the Fourth Proportional to 479,792.16, 662,132.88 and 298,611.36

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Solution

The fourth proportional to 479,792.16, 662,132.88 and 298,611.36 is: 412,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,792.16 : 662,132.88 = 298,611.36 : x
  2. Step 2: Convert to fraction form
    479,792.16/662,132.88 = 298,611.36/x
  3. Step 3: Cross multiply
    479,792.16x = 662,132.88 × 298,611.36
  4. Step 4: Simplify right side
    479,792.16x = 197,720,399,797.52
  5. Step 5: Solve for x
    x = 197,720,399,797.52/479,792.16
  6. Step 6: Final answer
    x = 412,095.94

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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.