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Finding the Fourth Proportional to 372,556.60, 558,521.43 and 162,035.98

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Solution

The fourth proportional to 372,556.60, 558,521.43 and 162,035.98 is: 242,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,556.60 : 558,521.43 = 162,035.98 : x
  2. Step 2: Convert to fraction form
    372,556.60/558,521.43 = 162,035.98/x
  3. Step 3: Cross multiply
    372,556.60x = 558,521.43 × 162,035.98
  4. Step 4: Simplify right side
    372,556.60x = 90,500,567,261.05
  5. Step 5: Solve for x
    x = 90,500,567,261.05/372,556.60
  6. Step 6: Final answer
    x = 242,917.63

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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.