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Finding the Fourth Proportional to 303,850.76, 455,688.30 and 116,817.80

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Solution

The fourth proportional to 303,850.76, 455,688.30 and 116,817.80 is: 175,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,850.76 : 455,688.30 = 116,817.80 : x
  2. Step 2: Convert to fraction form
    303,850.76/455,688.30 = 116,817.80/x
  3. Step 3: Cross multiply
    303,850.76x = 455,688.30 × 116,817.80
  4. Step 4: Simplify right side
    303,850.76x = 53,232,504,691.74
  5. Step 5: Solve for x
    x = 53,232,504,691.74/303,850.76
  6. Step 6: Final answer
    x = 175,192.93

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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.