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Finding the Fourth Proportional to 372,300.48, 558,266.22 and 132,378.39

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Solution

The fourth proportional to 372,300.48, 558,266.22 and 132,378.39 is: 198,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,300.48 : 558,266.22 = 132,378.39 : x
  2. Step 2: Convert to fraction form
    372,300.48/558,266.22 = 132,378.39/x
  3. Step 3: Cross multiply
    372,300.48x = 558,266.22 × 132,378.39
  4. Step 4: Simplify right side
    372,300.48x = 73,902,383,394.99
  5. Step 5: Solve for x
    x = 73,902,383,394.99/372,300.48
  6. Step 6: Final answer
    x = 198,501.98

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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.