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Finding the Fourth Proportional to 276,893.44, 382,113.11 and 149,569.07

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Solution

The fourth proportional to 276,893.44, 382,113.11 and 149,569.07 is: 206,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,893.44 : 382,113.11 = 149,569.07 : x
  2. Step 2: Convert to fraction form
    276,893.44/382,113.11 = 149,569.07/x
  3. Step 3: Cross multiply
    276,893.44x = 382,113.11 × 149,569.07
  4. Step 4: Simplify right side
    276,893.44x = 57,152,300,960.86
  5. Step 5: Solve for x
    x = 57,152,300,960.86/276,893.44
  6. Step 6: Final answer
    x = 206,405.40

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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.