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Finding the Fourth Proportional to 508,226.68, 701,335.02 and 281,893.24

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Solution

The fourth proportional to 508,226.68, 701,335.02 and 281,893.24 is: 389,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,226.68 : 701,335.02 = 281,893.24 : x
  2. Step 2: Convert to fraction form
    508,226.68/701,335.02 = 281,893.24/x
  3. Step 3: Cross multiply
    508,226.68x = 701,335.02 × 281,893.24
  4. Step 4: Simplify right side
    508,226.68x = 197,701,601,113.27
  5. Step 5: Solve for x
    x = 197,701,601,113.27/508,226.68
  6. Step 6: Final answer
    x = 389,002.80

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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.