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Finding the Fourth Proportional to 375,526.56, 518,247.42 and 214,433.37

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Solution

The fourth proportional to 375,526.56, 518,247.42 and 214,433.37 is: 295,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,526.56 : 518,247.42 = 214,433.37 : x
  2. Step 2: Convert to fraction form
    375,526.56/518,247.42 = 214,433.37/x
  3. Step 3: Cross multiply
    375,526.56x = 518,247.42 × 214,433.37
  4. Step 4: Simplify right side
    375,526.56x = 111,129,540,764.41
  5. Step 5: Solve for x
    x = 111,129,540,764.41/375,526.56
  6. Step 6: Final answer
    x = 295,929.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.