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Finding the Fourth Proportional to 497,940.39, 687,165.93 and 271,585.89

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Solution

The fourth proportional to 497,940.39, 687,165.93 and 271,585.89 is: 374,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,940.39 : 687,165.93 = 271,585.89 : x
  2. Step 2: Convert to fraction form
    497,940.39/687,165.93 = 271,585.89/x
  3. Step 3: Cross multiply
    497,940.39x = 687,165.93 × 271,585.89
  4. Step 4: Simplify right side
    497,940.39x = 186,624,570,676.73
  5. Step 5: Solve for x
    x = 186,624,570,676.73/497,940.39
  6. Step 6: Final answer
    x = 374,793.00

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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.