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Finding the Fourth Proportional to 370,361.30, 511,099.67 and 200,595.42

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Solution

The fourth proportional to 370,361.30, 511,099.67 and 200,595.42 is: 276,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,361.30 : 511,099.67 = 200,595.42 : x
  2. Step 2: Convert to fraction form
    370,361.30/511,099.67 = 200,595.42/x
  3. Step 3: Cross multiply
    370,361.30x = 511,099.67 × 200,595.42
  4. Step 4: Simplify right side
    370,361.30x = 102,524,253,467.00
  5. Step 5: Solve for x
    x = 102,524,253,467.00/370,361.30
  6. Step 6: Final answer
    x = 276,822.27

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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.