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Finding the Fourth Proportional to 356,427.15, 534,603.06 and 187,879.92

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Solution

The fourth proportional to 356,427.15, 534,603.06 and 187,879.92 is: 281,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,427.15 : 534,603.06 = 187,879.92 : x
  2. Step 2: Convert to fraction form
    356,427.15/534,603.06 = 187,879.92/x
  3. Step 3: Cross multiply
    356,427.15x = 534,603.06 × 187,879.92
  4. Step 4: Simplify right side
    356,427.15x = 100,441,180,144.56
  5. Step 5: Solve for x
    x = 100,441,180,144.56/356,427.15
  6. Step 6: Final answer
    x = 281,800.03

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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.