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Finding the Fourth Proportional to 323,112.34, 484,738.43 and 98,466.84

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Solution

The fourth proportional to 323,112.34, 484,738.43 and 98,466.84 is: 147,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,112.34 : 484,738.43 = 98,466.84 : x
  2. Step 2: Convert to fraction form
    323,112.34/484,738.43 = 98,466.84/x
  3. Step 3: Cross multiply
    323,112.34x = 484,738.43 × 98,466.84
  4. Step 4: Simplify right side
    323,112.34x = 47,730,660,936.33
  5. Step 5: Solve for x
    x = 47,730,660,936.33/323,112.34
  6. Step 6: Final answer
    x = 147,721.57

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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.