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Finding the Fourth Proportional to 383,883.01, 529,754.86 and 211,802.37

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Solution

The fourth proportional to 383,883.01, 529,754.86 and 211,802.37 is: 292,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,883.01 : 529,754.86 = 211,802.37 : x
  2. Step 2: Convert to fraction form
    383,883.01/529,754.86 = 211,802.37/x
  3. Step 3: Cross multiply
    383,883.01x = 529,754.86 × 211,802.37
  4. Step 4: Simplify right side
    383,883.01x = 112,203,334,867.02
  5. Step 5: Solve for x
    x = 112,203,334,867.02/383,883.01
  6. Step 6: Final answer
    x = 292,285.23

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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.