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Finding the Fourth Proportional to 308,499.62, 462,702.49 and 118,932.32

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Solution

The fourth proportional to 308,499.62, 462,702.49 and 118,932.32 is: 178,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,499.62 : 462,702.49 = 118,932.32 : x
  2. Step 2: Convert to fraction form
    308,499.62/462,702.49 = 118,932.32/x
  3. Step 3: Cross multiply
    308,499.62x = 462,702.49 × 118,932.32
  4. Step 4: Simplify right side
    308,499.62x = 55,030,281,464.90
  5. Step 5: Solve for x
    x = 55,030,281,464.90/308,499.62
  6. Step 6: Final answer
    x = 178,380.39

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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.