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Finding the Fourth Proportional to 497,440.44, 686,447.78 and 271,081.08

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Solution

The fourth proportional to 497,440.44, 686,447.78 and 271,081.08 is: 374,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,440.44 : 686,447.78 = 271,081.08 : x
  2. Step 2: Convert to fraction form
    497,440.44/686,447.78 = 271,081.08/x
  3. Step 3: Cross multiply
    497,440.44x = 686,447.78 × 271,081.08
  4. Step 4: Simplify right side
    497,440.44x = 186,083,005,566.00
  5. Step 5: Solve for x
    x = 186,083,005,566.00/497,440.44
  6. Step 6: Final answer
    x = 374,080.98

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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.