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Finding the Fourth Proportional to 299,706.60, 448,976.70 and 181,025.40

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Solution

The fourth proportional to 299,706.60, 448,976.70 and 181,025.40 is: 271,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,706.60 : 448,976.70 = 181,025.40 : x
  2. Step 2: Convert to fraction form
    299,706.60/448,976.70 = 181,025.40/x
  3. Step 3: Cross multiply
    299,706.60x = 448,976.70 × 181,025.40
  4. Step 4: Simplify right side
    299,706.60x = 81,276,186,708.18
  5. Step 5: Solve for x
    x = 81,276,186,708.18/299,706.60
  6. Step 6: Final answer
    x = 271,185.84

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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.