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Finding the Fourth Proportional to 277,615.88, 383,173.16 and 180,648.85

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Solution

The fourth proportional to 277,615.88, 383,173.16 and 180,648.85 is: 249,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,615.88 : 383,173.16 = 180,648.85 : x
  2. Step 2: Convert to fraction form
    277,615.88/383,173.16 = 180,648.85/x
  3. Step 3: Cross multiply
    277,615.88x = 383,173.16 × 180,648.85
  4. Step 4: Simplify right side
    277,615.88x = 69,219,787,885.76
  5. Step 5: Solve for x
    x = 69,219,787,885.76/277,615.88
  6. Step 6: Final answer
    x = 249,336.56

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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.