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Finding the Fourth Proportional to 277,546.40, 383,015.40 and 156,692.60

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Solution

The fourth proportional to 277,546.40, 383,015.40 and 156,692.60 is: 216,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,546.40 : 383,015.40 = 156,692.60 : x
  2. Step 2: Convert to fraction form
    277,546.40/383,015.40 = 156,692.60/x
  3. Step 3: Cross multiply
    277,546.40x = 383,015.40 × 156,692.60
  4. Step 4: Simplify right side
    277,546.40x = 60,015,678,866.04
  5. Step 5: Solve for x
    x = 60,015,678,866.04/277,546.40
  6. Step 6: Final answer
    x = 216,236.56

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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.