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Finding the Fourth Proportional to 547,898.93, 756,098.33 and 306,181.43

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Solution

The fourth proportional to 547,898.93, 756,098.33 and 306,181.43 is: 422,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,898.93 : 756,098.33 = 306,181.43 : x
  2. Step 2: Convert to fraction form
    547,898.93/756,098.33 = 306,181.43/x
  3. Step 3: Cross multiply
    547,898.93x = 756,098.33 × 306,181.43
  4. Step 4: Simplify right side
    547,898.93x = 231,503,271,399.31
  5. Step 5: Solve for x
    x = 231,503,271,399.31/547,898.93
  6. Step 6: Final answer
    x = 422,529.16

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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.