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Finding the Fourth Proportional to 308,045.60, 461,571.60 and 174,528.80

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Solution

The fourth proportional to 308,045.60, 461,571.60 and 174,528.80 is: 261,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,045.60 : 461,571.60 = 174,528.80 : x
  2. Step 2: Convert to fraction form
    308,045.60/461,571.60 = 174,528.80/x
  3. Step 3: Cross multiply
    308,045.60x = 461,571.60 × 174,528.80
  4. Step 4: Simplify right side
    308,045.60x = 80,557,537,462.08
  5. Step 5: Solve for x
    x = 80,557,537,462.08/308,045.60
  6. Step 6: Final answer
    x = 261,511.73

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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.