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Finding the Fourth Proportional to 360,230.49, 540,439.09 and 191,611.98

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Solution

The fourth proportional to 360,230.49, 540,439.09 and 191,611.98 is: 287,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,230.49 : 540,439.09 = 191,611.98 : x
  2. Step 2: Convert to fraction form
    360,230.49/540,439.09 = 191,611.98/x
  3. Step 3: Cross multiply
    360,230.49x = 540,439.09 × 191,611.98
  4. Step 4: Simplify right side
    360,230.49x = 103,554,603,625.27
  5. Step 5: Solve for x
    x = 103,554,603,625.27/360,230.49
  6. Step 6: Final answer
    x = 287,467.63

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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.