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Finding the Fourth Proportional to 277,616.88, 383,174.54 and 180,649.85

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Solution

The fourth proportional to 277,616.88, 383,174.54 and 180,649.85 is: 249,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,616.88 : 383,174.54 = 180,649.85 : x
  2. Step 2: Convert to fraction form
    277,616.88/383,174.54 = 180,649.85/x
  3. Step 3: Cross multiply
    277,616.88x = 383,174.54 × 180,649.85
  4. Step 4: Simplify right side
    277,616.88x = 69,220,423,174.82
  5. Step 5: Solve for x
    x = 69,220,423,174.82/277,616.88
  6. Step 6: Final answer
    x = 249,337.95

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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.