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Finding the Fourth Proportional to 335,379.51, 462,661.11 and 199,317.15

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Solution

The fourth proportional to 335,379.51, 462,661.11 and 199,317.15 is: 274,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,379.51 : 462,661.11 = 199,317.15 : x
  2. Step 2: Convert to fraction form
    335,379.51/462,661.11 = 199,317.15/x
  3. Step 3: Cross multiply
    335,379.51x = 462,661.11 × 199,317.15
  4. Step 4: Simplify right side
    335,379.51x = 92,216,293,861.04
  5. Step 5: Solve for x
    x = 92,216,293,861.04/335,379.51
  6. Step 6: Final answer
    x = 274,961.03

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1.5x scale

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.