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Finding the Fourth Proportional to 277,748.46, 383,300.74 and 156,894.84

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Solution

The fourth proportional to 277,748.46, 383,300.74 and 156,894.84 is: 216,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,748.46 : 383,300.74 = 156,894.84 : x
  2. Step 2: Convert to fraction form
    277,748.46/383,300.74 = 156,894.84/x
  3. Step 3: Cross multiply
    277,748.46x = 383,300.74 × 156,894.84
  4. Step 4: Simplify right side
    277,748.46x = 60,137,906,357.68
  5. Step 5: Solve for x
    x = 60,137,906,357.68/277,748.46
  6. Step 6: Final answer
    x = 216,519.32

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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.