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Finding the Fourth Proportional to 335,916.59, 503,945.96 and 111,264.30

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Solution

The fourth proportional to 335,916.59, 503,945.96 and 111,264.30 is: 166,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,916.59 : 503,945.96 = 111,264.30 : x
  2. Step 2: Convert to fraction form
    335,916.59/503,945.96 = 111,264.30/x
  3. Step 3: Cross multiply
    335,916.59x = 503,945.96 × 111,264.30
  4. Step 4: Simplify right side
    335,916.59x = 56,071,193,920.91
  5. Step 5: Solve for x
    x = 56,071,193,920.91/335,916.59
  6. Step 6: Final answer
    x = 166,919.99

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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.