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Finding the Fourth Proportional to 308,500.37, 462,703.61 and 118,933.08

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Solution

The fourth proportional to 308,500.37, 462,703.61 and 118,933.08 is: 178,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,500.37 : 462,703.61 = 118,933.08 : x
  2. Step 2: Convert to fraction form
    308,500.37/462,703.61 = 118,933.08/x
  3. Step 3: Cross multiply
    308,500.37x = 462,703.61 × 118,933.08
  4. Step 4: Simplify right side
    308,500.37x = 55,030,763,150.90
  5. Step 5: Solve for x
    x = 55,030,763,150.90/308,500.37
  6. Step 6: Final answer
    x = 178,381.52

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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.