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Finding the Fourth Proportional to 370,449.12, 511,222.24 and 200,683.12

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Solution

The fourth proportional to 370,449.12, 511,222.24 and 200,683.12 is: 276,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,449.12 : 511,222.24 = 200,683.12 : x
  2. Step 2: Convert to fraction form
    370,449.12/511,222.24 = 200,683.12/x
  3. Step 3: Cross multiply
    370,449.12x = 511,222.24 × 200,683.12
  4. Step 4: Simplify right side
    370,449.12x = 102,593,674,136.59
  5. Step 5: Solve for x
    x = 102,593,674,136.59/370,449.12
  6. Step 6: Final answer
    x = 276,944.04

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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.