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Finding the Fourth Proportional to 370,557.32, 511,370.88 and 200,791.76

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Solution

The fourth proportional to 370,557.32, 511,370.88 and 200,791.76 is: 277,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,557.32 : 511,370.88 = 200,791.76 : x
  2. Step 2: Convert to fraction form
    370,557.32/511,370.88 = 200,791.76/x
  3. Step 3: Cross multiply
    370,557.32x = 511,370.88 × 200,791.76
  4. Step 4: Simplify right side
    370,557.32x = 102,679,059,007.95
  5. Step 5: Solve for x
    x = 102,679,059,007.95/370,557.32
  6. Step 6: Final answer
    x = 277,093.59

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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.