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Finding the Fourth Proportional to 370,392.66, 511,142.58 and 200,626.92

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Solution

The fourth proportional to 370,392.66, 511,142.58 and 200,626.92 is: 276,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,392.66 : 511,142.58 = 200,626.92 : x
  2. Step 2: Convert to fraction form
    370,392.66/511,142.58 = 200,626.92/x
  3. Step 3: Cross multiply
    370,392.66x = 511,142.58 × 200,626.92
  4. Step 4: Simplify right side
    370,392.66x = 102,548,961,506.25
  5. Step 5: Solve for x
    x = 102,548,961,506.25/370,392.66
  6. Step 6: Final answer
    x = 276,865.53

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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.