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Finding the Fourth Proportional to 308,594.61, 462,928.91 and 108,873.72

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Solution

The fourth proportional to 308,594.61, 462,928.91 and 108,873.72 is: 163,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,594.61 : 462,928.91 = 108,873.72 : x
  2. Step 2: Convert to fraction form
    308,594.61/462,928.91 = 108,873.72/x
  3. Step 3: Cross multiply
    308,594.61x = 462,928.91 × 108,873.72
  4. Step 4: Simplify right side
    308,594.61x = 50,400,791,982.88
  5. Step 5: Solve for x
    x = 50,400,791,982.88/308,594.61
  6. Step 6: Final answer
    x = 163,323.63

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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.