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Finding the Fourth Proportional to 395,817.56, 593,501.40 and 155,801.37

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Solution

The fourth proportional to 395,817.56, 593,501.40 and 155,801.37 is: 233,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,817.56 : 593,501.40 = 155,801.37 : x
  2. Step 2: Convert to fraction form
    395,817.56/593,501.40 = 155,801.37/x
  3. Step 3: Cross multiply
    395,817.56x = 593,501.40 × 155,801.37
  4. Step 4: Simplify right side
    395,817.56x = 92,468,334,026.80
  5. Step 5: Solve for x
    x = 92,468,334,026.80/395,817.56
  6. Step 6: Final answer
    x = 233,613.52

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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.