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Finding the Fourth Proportional to 308,211.60, 462,025.80 and 181,948.80

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Solution

The fourth proportional to 308,211.60, 462,025.80 and 181,948.80 is: 272,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,211.60 : 462,025.80 = 181,948.80 : x
  2. Step 2: Convert to fraction form
    308,211.60/462,025.80 = 181,948.80/x
  3. Step 3: Cross multiply
    308,211.60x = 462,025.80 × 181,948.80
  4. Step 4: Simplify right side
    308,211.60x = 84,065,039,879.04
  5. Step 5: Solve for x
    x = 84,065,039,879.04/308,211.60
  6. Step 6: Final answer
    x = 272,751.06

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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.