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Finding the Fourth Proportional to 308,293.32, 425,457.18 and 179,231.16

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Solution

The fourth proportional to 308,293.32, 425,457.18 and 179,231.16 is: 247,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,293.32 : 425,457.18 = 179,231.16 : x
  2. Step 2: Convert to fraction form
    308,293.32/425,457.18 = 179,231.16/x
  3. Step 3: Cross multiply
    308,293.32x = 425,457.18 × 179,231.16
  4. Step 4: Simplify right side
    308,293.32x = 76,255,183,901.73
  5. Step 5: Solve for x
    x = 76,255,183,901.73/308,293.32
  6. Step 6: Final answer
    x = 247,346.21

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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.