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Finding the Fourth Proportional to 479,204.37, 718,730.31 and 159,329.64

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Solution

The fourth proportional to 479,204.37, 718,730.31 and 159,329.64 is: 238,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,204.37 : 718,730.31 = 159,329.64 : x
  2. Step 2: Convert to fraction form
    479,204.37/718,730.31 = 159,329.64/x
  3. Step 3: Cross multiply
    479,204.37x = 718,730.31 × 159,329.64
  4. Step 4: Simplify right side
    479,204.37x = 114,515,041,549.39
  5. Step 5: Solve for x
    x = 114,515,041,549.39/479,204.37
  6. Step 6: Final answer
    x = 238,969.11

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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.