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Finding the Fourth Proportional to 301,258.98, 451,900.23 and 90,896.94

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Solution

The fourth proportional to 301,258.98, 451,900.23 and 90,896.94 is: 136,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,258.98 : 451,900.23 = 90,896.94 : x
  2. Step 2: Convert to fraction form
    301,258.98/451,900.23 = 90,896.94/x
  3. Step 3: Cross multiply
    301,258.98x = 451,900.23 × 90,896.94
  4. Step 4: Simplify right side
    301,258.98x = 41,076,348,092.30
  5. Step 5: Solve for x
    x = 41,076,348,092.30/301,258.98
  6. Step 6: Final answer
    x = 136,348.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.