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Finding the Fourth Proportional to 306,250.56, 422,588.16 and 178,833.60

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Solution

The fourth proportional to 306,250.56, 422,588.16 and 178,833.60 is: 246,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,250.56 : 422,588.16 = 178,833.60 : x
  2. Step 2: Convert to fraction form
    306,250.56/422,588.16 = 178,833.60/x
  3. Step 3: Cross multiply
    306,250.56x = 422,588.16 × 178,833.60
  4. Step 4: Simplify right side
    306,250.56x = 75,572,961,970.18
  5. Step 5: Solve for x
    x = 75,572,961,970.18/306,250.56
  6. Step 6: Final answer
    x = 246,768.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.