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Finding the Fourth Proportional to 277,960.71, 383,586.10 and 150,636.30

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Solution

The fourth proportional to 277,960.71, 383,586.10 and 150,636.30 is: 207,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,960.71 : 383,586.10 = 150,636.30 : x
  2. Step 2: Convert to fraction form
    277,960.71/383,586.10 = 150,636.30/x
  3. Step 3: Cross multiply
    277,960.71x = 383,586.10 × 150,636.30
  4. Step 4: Simplify right side
    277,960.71x = 57,781,990,835.43
  5. Step 5: Solve for x
    x = 57,781,990,835.43/277,960.71
  6. Step 6: Final answer
    x = 207,878.27

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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.