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Finding the Fourth Proportional to 631,753.36, 947,806.08 and 351,467.44

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Solution

The fourth proportional to 631,753.36, 947,806.08 and 351,467.44 is: 527,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,753.36 : 947,806.08 = 351,467.44 : x
  2. Step 2: Convert to fraction form
    631,753.36/947,806.08 = 351,467.44/x
  3. Step 3: Cross multiply
    631,753.36x = 947,806.08 × 351,467.44
  4. Step 4: Simplify right side
    631,753.36x = 333,122,976,554.04
  5. Step 5: Solve for x
    x = 333,122,976,554.04/631,753.36
  6. Step 6: Final answer
    x = 527,299.10

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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.