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Finding the Fourth Proportional to 517,450.91, 714,081.17 and 291,096.41

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Solution

The fourth proportional to 517,450.91, 714,081.17 and 291,096.41 is: 401,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,450.91 : 714,081.17 = 291,096.41 : x
  2. Step 2: Convert to fraction form
    517,450.91/714,081.17 = 291,096.41/x
  3. Step 3: Cross multiply
    517,450.91x = 714,081.17 × 291,096.41
  4. Step 4: Simplify right side
    517,450.91x = 207,866,465,035.60
  5. Step 5: Solve for x
    x = 207,866,465,035.60/517,450.91
  6. Step 6: Final answer
    x = 401,712.43

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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.