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Finding the Fourth Proportional to 276,094.84, 380,774.82 and 190,190.92

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Solution

The fourth proportional to 276,094.84, 380,774.82 and 190,190.92 is: 262,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,094.84 : 380,774.82 = 190,190.92 : x
  2. Step 2: Convert to fraction form
    276,094.84/380,774.82 = 190,190.92/x
  3. Step 3: Cross multiply
    276,094.84x = 380,774.82 × 190,190.92
  4. Step 4: Simplify right side
    276,094.84x = 72,419,913,328.63
  5. Step 5: Solve for x
    x = 72,419,913,328.63/276,094.84
  6. Step 6: Final answer
    x = 262,300.86

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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.