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Finding the Fourth Proportional to 277,617.88, 383,175.92 and 180,650.85

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Solution

The fourth proportional to 277,617.88, 383,175.92 and 180,650.85 is: 249,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,617.88 : 383,175.92 = 180,650.85 : x
  2. Step 2: Convert to fraction form
    277,617.88/383,175.92 = 180,650.85/x
  3. Step 3: Cross multiply
    277,617.88x = 383,175.92 × 180,650.85
  4. Step 4: Simplify right side
    277,617.88x = 69,221,055,647.53
  5. Step 5: Solve for x
    x = 69,221,055,647.53/277,617.88
  6. Step 6: Final answer
    x = 249,339.33

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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.