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Finding the Fourth Proportional to 301,960.15, 416,538.72 and 191,376.52

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Solution

The fourth proportional to 301,960.15, 416,538.72 and 191,376.52 is: 263,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,960.15 : 416,538.72 = 191,376.52 : x
  2. Step 2: Convert to fraction form
    301,960.15/416,538.72 = 191,376.52/x
  3. Step 3: Cross multiply
    301,960.15x = 416,538.72 × 191,376.52
  4. Step 4: Simplify right side
    301,960.15x = 79,715,729,637.51
  5. Step 5: Solve for x
    x = 79,715,729,637.51/301,960.15
  6. Step 6: Final answer
    x = 263,994.21

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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.