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Finding the Fourth Proportional to 308,500.62, 462,703.99 and 118,933.32

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Solution

The fourth proportional to 308,500.62, 462,703.99 and 118,933.32 is: 178,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,500.62 : 462,703.99 = 118,933.32 : x
  2. Step 2: Convert to fraction form
    308,500.62/462,703.99 = 118,933.32/x
  3. Step 3: Cross multiply
    308,500.62x = 462,703.99 × 118,933.32
  4. Step 4: Simplify right side
    308,500.62x = 55,030,921,707.95
  5. Step 5: Solve for x
    x = 55,030,921,707.95/308,500.62
  6. Step 6: Final answer
    x = 178,381.88

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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.