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Finding the Fourth Proportional to 373,103.65, 559,650.27 and 212,837.56

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Solution

The fourth proportional to 373,103.65, 559,650.27 and 212,837.56 is: 319,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,103.65 : 559,650.27 = 212,837.56 : x
  2. Step 2: Convert to fraction form
    373,103.65/559,650.27 = 212,837.56/x
  3. Step 3: Cross multiply
    373,103.65x = 559,650.27 × 212,837.56
  4. Step 4: Simplify right side
    373,103.65x = 119,114,595,722.88
  5. Step 5: Solve for x
    x = 119,114,595,722.88/373,103.65
  6. Step 6: Final answer
    x = 319,253.36

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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.