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Finding the Fourth Proportional to 376,952.70, 520,198.76 and 204,870.69

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Solution

The fourth proportional to 376,952.70, 520,198.76 and 204,870.69 is: 282,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,952.70 : 520,198.76 = 204,870.69 : x
  2. Step 2: Convert to fraction form
    376,952.70/520,198.76 = 204,870.69/x
  3. Step 3: Cross multiply
    376,952.70x = 520,198.76 × 204,870.69
  4. Step 4: Simplify right side
    376,952.70x = 106,573,477,873.99
  5. Step 5: Solve for x
    x = 106,573,477,873.99/376,952.70
  6. Step 6: Final answer
    x = 282,723.74

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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.