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Finding the Fourth Proportional to 350,863.82, 484,191.73 and 189,718.48

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Solution

The fourth proportional to 350,863.82, 484,191.73 and 189,718.48 is: 261,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,863.82 : 484,191.73 = 189,718.48 : x
  2. Step 2: Convert to fraction form
    350,863.82/484,191.73 = 189,718.48/x
  3. Step 3: Cross multiply
    350,863.82x = 484,191.73 × 189,718.48
  4. Step 4: Simplify right side
    350,863.82x = 91,860,118,095.58
  5. Step 5: Solve for x
    x = 91,860,118,095.58/350,863.82
  6. Step 6: Final answer
    x = 261,811.32

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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.