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Finding the Fourth Proportional to 303,998.12, 455,927.76 and 114,478.48

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Solution

The fourth proportional to 303,998.12, 455,927.76 and 114,478.48 is: 171,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,998.12 : 455,927.76 = 114,478.48 : x
  2. Step 2: Convert to fraction form
    303,998.12/455,927.76 = 114,478.48/x
  3. Step 3: Cross multiply
    303,998.12x = 455,927.76 × 114,478.48
  4. Step 4: Simplify right side
    303,998.12x = 52,193,916,954.60
  5. Step 5: Solve for x
    x = 52,193,916,954.60/303,998.12
  6. Step 6: Final answer
    x = 171,691.58

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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.