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Finding the Fourth Proportional to 344,221.50, 475,070.22 and 193,318.50

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Solution

The fourth proportional to 344,221.50, 475,070.22 and 193,318.50 is: 266,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,221.50 : 475,070.22 = 193,318.50 : x
  2. Step 2: Convert to fraction form
    344,221.50/475,070.22 = 193,318.50/x
  3. Step 3: Cross multiply
    344,221.50x = 475,070.22 × 193,318.50
  4. Step 4: Simplify right side
    344,221.50x = 91,839,862,325.07
  5. Step 5: Solve for x
    x = 91,839,862,325.07/344,221.50
  6. Step 6: Final answer
    x = 266,804.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.