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Finding the Fourth Proportional to 336,261.92, 504,052.64 and 218,008.48

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Solution

The fourth proportional to 336,261.92, 504,052.64 and 218,008.48 is: 326,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,261.92 : 504,052.64 = 218,008.48 : x
  2. Step 2: Convert to fraction form
    336,261.92/504,052.64 = 218,008.48/x
  3. Step 3: Cross multiply
    336,261.92x = 504,052.64 × 218,008.48
  4. Step 4: Simplify right side
    336,261.92x = 109,887,749,886.39
  5. Step 5: Solve for x
    x = 109,887,749,886.39/336,261.92
  6. Step 6: Final answer
    x = 326,792.13

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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.