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Finding the Fourth Proportional to 341,195.36, 511,858.66 and 130,816.90

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Solution

The fourth proportional to 341,195.36, 511,858.66 and 130,816.90 is: 196,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,195.36 : 511,858.66 = 130,816.90 : x
  2. Step 2: Convert to fraction form
    341,195.36/511,858.66 = 130,816.90/x
  3. Step 3: Cross multiply
    341,195.36x = 511,858.66 × 130,816.90
  4. Step 4: Simplify right side
    341,195.36x = 66,959,761,705.93
  5. Step 5: Solve for x
    x = 66,959,761,705.93/341,195.36
  6. Step 6: Final answer
    x = 196,250.50

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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.