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Finding the Fourth Proportional to 265,619.84, 398,121.05 and 151,847.37

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Solution

The fourth proportional to 265,619.84, 398,121.05 and 151,847.37 is: 227,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,619.84 : 398,121.05 = 151,847.37 : x
  2. Step 2: Convert to fraction form
    265,619.84/398,121.05 = 151,847.37/x
  3. Step 3: Cross multiply
    265,619.84x = 398,121.05 × 151,847.37
  4. Step 4: Simplify right side
    265,619.84x = 60,453,634,117.31
  5. Step 5: Solve for x
    x = 60,453,634,117.31/265,619.84
  6. Step 6: Final answer
    x = 227,594.58

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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.