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Finding the Fourth Proportional to 308,341.86, 462,549.86 and 108,620.98

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Solution

The fourth proportional to 308,341.86, 462,549.86 and 108,620.98 is: 162,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,341.86 : 462,549.86 = 108,620.98 : x
  2. Step 2: Convert to fraction form
    308,341.86/462,549.86 = 108,620.98/x
  3. Step 3: Cross multiply
    308,341.86x = 462,549.86 × 108,620.98
  4. Step 4: Simplify right side
    308,341.86x = 50,242,619,092.06
  5. Step 5: Solve for x
    x = 50,242,619,092.06/308,341.86
  6. Step 6: Final answer
    x = 162,944.53

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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.