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Finding the Fourth Proportional to 372,647.98, 558,607.47 and 147,933.73

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Solution

The fourth proportional to 372,647.98, 558,607.47 and 147,933.73 is: 221,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,647.98 : 558,607.47 = 147,933.73 : x
  2. Step 2: Convert to fraction form
    372,647.98/558,607.47 = 147,933.73/x
  3. Step 3: Cross multiply
    372,647.98x = 558,607.47 × 147,933.73
  4. Step 4: Simplify right side
    372,647.98x = 82,636,886,642.96
  5. Step 5: Solve for x
    x = 82,636,886,642.96/372,647.98
  6. Step 6: Final answer
    x = 221,755.90

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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.