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Finding the Fourth Proportional to 394,866.64, 592,137.06 and 151,670.98

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Solution

The fourth proportional to 394,866.64, 592,137.06 and 151,670.98 is: 227,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,866.64 : 592,137.06 = 151,670.98 : x
  2. Step 2: Convert to fraction form
    394,866.64/592,137.06 = 151,670.98/x
  3. Step 3: Cross multiply
    394,866.64x = 592,137.06 × 151,670.98
  4. Step 4: Simplify right side
    394,866.64x = 89,810,008,184.52
  5. Step 5: Solve for x
    x = 89,810,008,184.52/394,866.64
  6. Step 6: Final answer
    x = 227,443.90

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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.