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Finding the Fourth Proportional to 395,539.88, 593,070.60 and 155,366.27

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Solution

The fourth proportional to 395,539.88, 593,070.60 and 155,366.27 is: 232,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,539.88 : 593,070.60 = 155,366.27 : x
  2. Step 2: Convert to fraction form
    395,539.88/593,070.60 = 155,366.27/x
  3. Step 3: Cross multiply
    395,539.88x = 593,070.60 × 155,366.27
  4. Step 4: Simplify right side
    395,539.88x = 92,143,164,003.31
  5. Step 5: Solve for x
    x = 92,143,164,003.31/395,539.88
  6. Step 6: Final answer
    x = 232,955.44

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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.