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Finding the Fourth Proportional to 277,117.95, 381,900.21 and 200,507.34

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Solution

The fourth proportional to 277,117.95, 381,900.21 and 200,507.34 is: 276,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,117.95 : 381,900.21 = 200,507.34 : x
  2. Step 2: Convert to fraction form
    277,117.95/381,900.21 = 200,507.34/x
  3. Step 3: Cross multiply
    277,117.95x = 381,900.21 × 200,507.34
  4. Step 4: Simplify right side
    277,117.95x = 76,573,795,252.54
  5. Step 5: Solve for x
    x = 76,573,795,252.54/277,117.95
  6. Step 6: Final answer
    x = 276,322.03

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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.