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Finding the Fourth Proportional to 305,999.73, 422,158.59 and 176,914.35

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Solution

The fourth proportional to 305,999.73, 422,158.59 and 176,914.35 is: 244,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,999.73 : 422,158.59 = 176,914.35 : x
  2. Step 2: Convert to fraction form
    305,999.73/422,158.59 = 176,914.35/x
  3. Step 3: Cross multiply
    305,999.73x = 422,158.59 × 176,914.35
  4. Step 4: Simplify right side
    305,999.73x = 74,685,912,546.77
  5. Step 5: Solve for x
    x = 74,685,912,546.77/305,999.73
  6. Step 6: Final answer
    x = 244,071.82

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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.