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Finding the Fourth Proportional to 479,183.82, 718,840.56 and 163,555.98

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Solution

The fourth proportional to 479,183.82, 718,840.56 and 163,555.98 is: 245,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,183.82 : 718,840.56 = 163,555.98 : x
  2. Step 2: Convert to fraction form
    479,183.82/718,840.56 = 163,555.98/x
  3. Step 3: Cross multiply
    479,183.82x = 718,840.56 × 163,555.98
  4. Step 4: Simplify right side
    479,183.82x = 117,570,672,254.55
  5. Step 5: Solve for x
    x = 117,570,672,254.55/479,183.82
  6. Step 6: Final answer
    x = 245,356.10

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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.