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Finding the Fourth Proportional to 523,302, 784,972.08 and 186,367.44

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Solution

The fourth proportional to 523,302, 784,972.08 and 186,367.44 is: 279,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,302 : 784,972.08 = 186,367.44 : x
  2. Step 2: Convert to fraction form
    523,302/784,972.08 = 186,367.44/x
  3. Step 3: Cross multiply
    523,302x = 784,972.08 × 186,367.44
  4. Step 4: Simplify right side
    523,302x = 146,293,237,021.08
  5. Step 5: Solve for x
    x = 146,293,237,021.08/523,302
  6. Step 6: Final answer
    x = 279,557.96

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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.