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Finding the Fourth Proportional to 264,516.80, 365,033.40 and 143,657.60

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Solution

The fourth proportional to 264,516.80, 365,033.40 and 143,657.60 is: 198,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,516.80 : 365,033.40 = 143,657.60 : x
  2. Step 2: Convert to fraction form
    264,516.80/365,033.40 = 143,657.60/x
  3. Step 3: Cross multiply
    264,516.80x = 365,033.40 × 143,657.60
  4. Step 4: Simplify right side
    264,516.80x = 52,439,822,163.84
  5. Step 5: Solve for x
    x = 52,439,822,163.84/264,516.80
  6. Step 6: Final answer
    x = 198,247.61

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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.