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Finding the Fourth Proportional to 335,911.34, 503,938.08 and 111,259.05

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Solution

The fourth proportional to 335,911.34, 503,938.08 and 111,259.05 is: 166,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,911.34 : 503,938.08 = 111,259.05 : x
  2. Step 2: Convert to fraction form
    335,911.34/503,938.08 = 111,259.05/x
  3. Step 3: Cross multiply
    335,911.34x = 503,938.08 × 111,259.05
  4. Step 4: Simplify right side
    335,911.34x = 56,067,672,039.62
  5. Step 5: Solve for x
    x = 56,067,672,039.62/335,911.34
  6. Step 6: Final answer
    x = 166,912.12

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1.5x scale

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.