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Finding the Fourth Proportional to 277,751.46, 383,328.21 and 156,900.54

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Solution

The fourth proportional to 277,751.46, 383,328.21 and 156,900.54 is: 216,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,751.46 : 383,328.21 = 156,900.54 : x
  2. Step 2: Convert to fraction form
    277,751.46/383,328.21 = 156,900.54/x
  3. Step 3: Cross multiply
    277,751.46x = 383,328.21 × 156,900.54
  4. Step 4: Simplify right side
    277,751.46x = 60,144,403,146.23
  5. Step 5: Solve for x
    x = 60,144,403,146.23/277,751.46
  6. Step 6: Final answer
    x = 216,540.37

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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.