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Finding the Fourth Proportional to 277,541.40, 383,008.50 and 156,687.60

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Solution

The fourth proportional to 277,541.40, 383,008.50 and 156,687.60 is: 216,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,541.40 : 383,008.50 = 156,687.60 : x
  2. Step 2: Convert to fraction form
    277,541.40/383,008.50 = 156,687.60/x
  3. Step 3: Cross multiply
    277,541.40x = 383,008.50 × 156,687.60
  4. Step 4: Simplify right side
    277,541.40x = 60,012,682,644.60
  5. Step 5: Solve for x
    x = 60,012,682,644.60/277,541.40
  6. Step 6: Final answer
    x = 216,229.66

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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.