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Finding the Fourth Proportional to 370,337.80, 511,063.62 and 200,568.52

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Solution

The fourth proportional to 370,337.80, 511,063.62 and 200,568.52 is: 276,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,337.80 : 511,063.62 = 200,568.52 : x
  2. Step 2: Convert to fraction form
    370,337.80/511,063.62 = 200,568.52/x
  3. Step 3: Cross multiply
    370,337.80x = 511,063.62 × 200,568.52
  4. Step 4: Simplify right side
    370,337.80x = 102,503,273,889.24
  5. Step 5: Solve for x
    x = 102,503,273,889.24/370,337.80
  6. Step 6: Final answer
    x = 276,783.18

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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.