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Finding the Fourth Proportional to 483,872.54, 667,670.84 and 277,108.77

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Solution

The fourth proportional to 483,872.54, 667,670.84 and 277,108.77 is: 382,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,872.54 : 667,670.84 = 277,108.77 : x
  2. Step 2: Convert to fraction form
    483,872.54/667,670.84 = 277,108.77/x
  3. Step 3: Cross multiply
    483,872.54x = 667,670.84 × 277,108.77
  4. Step 4: Simplify right side
    483,872.54x = 185,017,443,851.72
  5. Step 5: Solve for x
    x = 185,017,443,851.72/483,872.54
  6. Step 6: Final answer
    x = 382,368.15

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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.