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Finding the Fourth Proportional to 370,448.31, 511,218.63 and 200,682.42

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Solution

The fourth proportional to 370,448.31, 511,218.63 and 200,682.42 is: 276,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,448.31 : 511,218.63 = 200,682.42 : x
  2. Step 2: Convert to fraction form
    370,448.31/511,218.63 = 200,682.42/x
  3. Step 3: Cross multiply
    370,448.31x = 511,218.63 × 200,682.42
  4. Step 4: Simplify right side
    370,448.31x = 102,592,591,817.49
  5. Step 5: Solve for x
    x = 102,592,591,817.49/370,448.31
  6. Step 6: Final answer
    x = 276,941.72

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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.