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Finding the Fourth Proportional to 370,728.54, 511,608.69 and 200,962.62

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Solution

The fourth proportional to 370,728.54, 511,608.69 and 200,962.62 is: 277,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,728.54 : 511,608.69 = 200,962.62 : x
  2. Step 2: Convert to fraction form
    370,728.54/511,608.69 = 200,962.62/x
  3. Step 3: Cross multiply
    370,728.54x = 511,608.69 × 200,962.62
  4. Step 4: Simplify right side
    370,728.54x = 102,814,222,757.17
  5. Step 5: Solve for x
    x = 102,814,222,757.17/370,728.54
  6. Step 6: Final answer
    x = 277,330.21

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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.