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Finding the Fourth Proportional to 370,447.04, 511,216.44 and 200,681.84

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Solution

The fourth proportional to 370,447.04, 511,216.44 and 200,681.84 is: 276,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,447.04 : 511,216.44 = 200,681.84 : x
  2. Step 2: Convert to fraction form
    370,447.04/511,216.44 = 200,681.84/x
  3. Step 3: Cross multiply
    370,447.04x = 511,216.44 × 200,681.84
  4. Step 4: Simplify right side
    370,447.04x = 102,591,855,817.45
  5. Step 5: Solve for x
    x = 102,591,855,817.45/370,447.04
  6. Step 6: Final answer
    x = 276,940.68

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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.