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Finding the Fourth Proportional to 277,958.66, 383,442.05 and 186,081.57

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Solution

The fourth proportional to 277,958.66, 383,442.05 and 186,081.57 is: 256,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,958.66 : 383,442.05 = 186,081.57 : x
  2. Step 2: Convert to fraction form
    277,958.66/383,442.05 = 186,081.57/x
  3. Step 3: Cross multiply
    277,958.66x = 383,442.05 × 186,081.57
  4. Step 4: Simplify right side
    277,958.66x = 71,351,499,133.22
  5. Step 5: Solve for x
    x = 71,351,499,133.22/277,958.66
  6. Step 6: Final answer
    x = 256,698.25

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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.