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Finding the Fourth Proportional to 335,615.10, 503,422.65 and 113,999.10

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Solution

The fourth proportional to 335,615.10, 503,422.65 and 113,999.10 is: 170,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,615.10 : 503,422.65 = 113,999.10 : x
  2. Step 2: Convert to fraction form
    335,615.10/503,422.65 = 113,999.10/x
  3. Step 3: Cross multiply
    335,615.10x = 503,422.65 × 113,999.10
  4. Step 4: Simplify right side
    335,615.10x = 57,389,729,019.62
  5. Step 5: Solve for x
    x = 57,389,729,019.62/335,615.10
  6. Step 6: Final answer
    x = 170,998.65

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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.