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Finding the Fourth Proportional to 218,186.84, 327,280.26 and 60,411.80

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Solution

The fourth proportional to 218,186.84, 327,280.26 and 60,411.80 is: 90,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,186.84 : 327,280.26 = 60,411.80 : x
  2. Step 2: Convert to fraction form
    218,186.84/327,280.26 = 60,411.80/x
  3. Step 3: Cross multiply
    218,186.84x = 327,280.26 × 60,411.80
  4. Step 4: Simplify right side
    218,186.84x = 19,771,589,611.07
  5. Step 5: Solve for x
    x = 19,771,589,611.07/218,186.84
  6. Step 6: Final answer
    x = 90,617.70

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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.