Home / 370,333.44-511,091.61-209,218.05

Finding the Fourth Proportional to 370,333.44, 511,091.61 and 209,218.05

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Solution

The fourth proportional to 370,333.44, 511,091.61 and 209,218.05 is: 288,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,333.44 : 511,091.61 = 209,218.05 : x
  2. Step 2: Convert to fraction form
    370,333.44/511,091.61 = 209,218.05/x
  3. Step 3: Cross multiply
    370,333.44x = 511,091.61 × 209,218.05
  4. Step 4: Simplify right side
    370,333.44x = 106,929,590,015.56
  5. Step 5: Solve for x
    x = 106,929,590,015.56/370,333.44
  6. Step 6: Final answer
    x = 288,738.68

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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.