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Finding the Fourth Proportional to 256,675.85, 383,133.77 and 226,375.37

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Solution

The fourth proportional to 256,675.85, 383,133.77 and 226,375.37 is: 337,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,675.85 : 383,133.77 = 226,375.37 : x
  2. Step 2: Convert to fraction form
    256,675.85/383,133.77 = 226,375.37/x
  3. Step 3: Cross multiply
    256,675.85x = 383,133.77 × 226,375.37
  4. Step 4: Simplify right side
    256,675.85x = 86,732,045,895.70
  5. Step 5: Solve for x
    x = 86,732,045,895.70/256,675.85
  6. Step 6: Final answer
    x = 337,904.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.