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Finding the Fourth Proportional to 372,554.60, 558,518.43 and 162,033.98

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Solution

The fourth proportional to 372,554.60, 558,518.43 and 162,033.98 is: 242,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,554.60 : 558,518.43 = 162,033.98 : x
  2. Step 2: Convert to fraction form
    372,554.60/558,518.43 = 162,033.98/x
  3. Step 3: Cross multiply
    372,554.60x = 558,518.43 × 162,033.98
  4. Step 4: Simplify right side
    372,554.60x = 90,498,964,116.25
  5. Step 5: Solve for x
    x = 90,498,964,116.25/372,554.60
  6. Step 6: Final answer
    x = 242,914.63

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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.