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Finding the Fourth Proportional to 608,565.12, 839,755.26 and 336,589.80

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Solution

The fourth proportional to 608,565.12, 839,755.26 and 336,589.80 is: 464,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,565.12 : 839,755.26 = 336,589.80 : x
  2. Step 2: Convert to fraction form
    608,565.12/839,755.26 = 336,589.80/x
  3. Step 3: Cross multiply
    608,565.12x = 839,755.26 × 336,589.80
  4. Step 4: Simplify right side
    608,565.12x = 282,653,055,012.35
  5. Step 5: Solve for x
    x = 282,653,055,012.35/608,565.12
  6. Step 6: Final answer
    x = 464,458.19

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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.