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Finding the Fourth Proportional to 370,552.73, 511,362.32 and 200,786.85

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Solution

The fourth proportional to 370,552.73, 511,362.32 and 200,786.85 is: 277,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,552.73 : 511,362.32 = 200,786.85 : x
  2. Step 2: Convert to fraction form
    370,552.73/511,362.32 = 200,786.85/x
  3. Step 3: Cross multiply
    370,552.73x = 511,362.32 × 200,786.85
  4. Step 4: Simplify right side
    370,552.73x = 102,674,828,437.56
  5. Step 5: Solve for x
    x = 102,674,828,437.56/370,552.73
  6. Step 6: Final answer
    x = 277,085.61

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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.