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Finding the Fourth Proportional to 372,575.85, 558,550.31 and 162,055.23

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Solution

The fourth proportional to 372,575.85, 558,550.31 and 162,055.23 is: 242,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,575.85 : 558,550.31 = 162,055.23 : x
  2. Step 2: Convert to fraction form
    372,575.85/558,550.31 = 162,055.23/x
  3. Step 3: Cross multiply
    372,575.85x = 558,550.31 × 162,055.23
  4. Step 4: Simplify right side
    372,575.85x = 90,515,998,143.35
  5. Step 5: Solve for x
    x = 90,515,998,143.35/372,575.85
  6. Step 6: Final answer
    x = 242,946.50

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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.