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Finding the Fourth Proportional to 479,088, 718,753.50 and 179,569.44

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Solution

The fourth proportional to 479,088, 718,753.50 and 179,569.44 is: 269,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,088 : 718,753.50 = 179,569.44 : x
  2. Step 2: Convert to fraction form
    479,088/718,753.50 = 179,569.44/x
  3. Step 3: Cross multiply
    479,088x = 718,753.50 × 179,569.44
  4. Step 4: Simplify right side
    479,088x = 129,066,163,493.04
  5. Step 5: Solve for x
    x = 129,066,163,493.04/479,088
  6. Step 6: Final answer
    x = 269,399.70

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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.