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Finding the Fourth Proportional to 270,385.68, 373,099.56 and 149,510.64

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Solution

The fourth proportional to 270,385.68, 373,099.56 and 149,510.64 is: 206,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,385.68 : 373,099.56 = 149,510.64 : x
  2. Step 2: Convert to fraction form
    270,385.68/373,099.56 = 149,510.64/x
  3. Step 3: Cross multiply
    270,385.68x = 373,099.56 × 149,510.64
  4. Step 4: Simplify right side
    270,385.68x = 55,782,353,999.32
  5. Step 5: Solve for x
    x = 55,782,353,999.32/270,385.68
  6. Step 6: Final answer
    x = 206,306.61

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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.