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Finding the Fourth Proportional to 277,661.40, 383,172.24 and 150,336.96

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Solution

The fourth proportional to 277,661.40, 383,172.24 and 150,336.96 is: 207,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,661.40 : 383,172.24 = 150,336.96 : x
  2. Step 2: Convert to fraction form
    277,661.40/383,172.24 = 150,336.96/x
  3. Step 3: Cross multiply
    277,661.40x = 383,172.24 × 150,336.96
  4. Step 4: Simplify right side
    277,661.40x = 57,604,949,717.99
  5. Step 5: Solve for x
    x = 57,604,949,717.99/277,661.40
  6. Step 6: Final answer
    x = 207,464.74

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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.