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Finding the Fourth Proportional to 489,491.44, 734,237.19 and 173,960.80

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Solution

The fourth proportional to 489,491.44, 734,237.19 and 173,960.80 is: 260,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,491.44 : 734,237.19 = 173,960.80 : x
  2. Step 2: Convert to fraction form
    489,491.44/734,237.19 = 173,960.80/x
  3. Step 3: Cross multiply
    489,491.44x = 734,237.19 × 173,960.80
  4. Step 4: Simplify right side
    489,491.44x = 127,728,487,126.56
  5. Step 5: Solve for x
    x = 127,728,487,126.56/489,491.44
  6. Step 6: Final answer
    x = 260,941.21

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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.