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Finding the Fourth Proportional to 277,911.62, 383,650.28 and 186,188.84

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Solution

The fourth proportional to 277,911.62, 383,650.28 and 186,188.84 is: 257,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,911.62 : 383,650.28 = 186,188.84 : x
  2. Step 2: Convert to fraction form
    277,911.62/383,650.28 = 186,188.84/x
  3. Step 3: Cross multiply
    277,911.62x = 383,650.28 × 186,188.84
  4. Step 4: Simplify right side
    277,911.62x = 71,431,400,598.88
  5. Step 5: Solve for x
    x = 71,431,400,598.88/277,911.62
  6. Step 6: Final answer
    x = 257,029.20

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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.