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Finding the Fourth Proportional to 308,483.91, 462,069.63 and 181,987.83

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Solution

The fourth proportional to 308,483.91, 462,069.63 and 181,987.83 is: 272,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,483.91 : 462,069.63 = 181,987.83 : x
  2. Step 2: Convert to fraction form
    308,483.91/462,069.63 = 181,987.83/x
  3. Step 3: Cross multiply
    308,483.91x = 462,069.63 × 181,987.83
  4. Step 4: Simplify right side
    308,483.91x = 84,091,049,272.60
  5. Step 5: Solve for x
    x = 84,091,049,272.60/308,483.91
  6. Step 6: Final answer
    x = 272,594.60

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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.