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Finding the Fourth Proportional to 335,658.78, 503,368.25 and 110,977.74

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Solution

The fourth proportional to 335,658.78, 503,368.25 and 110,977.74 is: 166,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,658.78 : 503,368.25 = 110,977.74 : x
  2. Step 2: Convert to fraction form
    335,658.78/503,368.25 = 110,977.74/x
  3. Step 3: Cross multiply
    335,658.78x = 503,368.25 × 110,977.74
  4. Step 4: Simplify right side
    335,658.78x = 55,862,670,217.87
  5. Step 5: Solve for x
    x = 55,862,670,217.87/335,658.78
  6. Step 6: Final answer
    x = 166,426.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.