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Finding the Fourth Proportional to 395,731.68, 593,792.40 and 185,333.28

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Solution

The fourth proportional to 395,731.68, 593,792.40 and 185,333.28 is: 278,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,731.68 : 593,792.40 = 185,333.28 : x
  2. Step 2: Convert to fraction form
    395,731.68/593,792.40 = 185,333.28/x
  3. Step 3: Cross multiply
    395,731.68x = 593,792.40 × 185,333.28
  4. Step 4: Simplify right side
    395,731.68x = 110,049,493,131.07
  5. Step 5: Solve for x
    x = 110,049,493,131.07/395,731.68
  6. Step 6: Final answer
    x = 278,091.19

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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.