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Finding the Fourth Proportional to 502,004.25, 692,770.73 and 275,654.61

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Solution

The fourth proportional to 502,004.25, 692,770.73 and 275,654.61 is: 380,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,004.25 : 692,770.73 = 275,654.61 : x
  2. Step 2: Convert to fraction form
    502,004.25/692,770.73 = 275,654.61/x
  3. Step 3: Cross multiply
    502,004.25x = 692,770.73 × 275,654.61
  4. Step 4: Simplify right side
    502,004.25x = 190,965,444,019.29
  5. Step 5: Solve for x
    x = 190,965,444,019.29/502,004.25
  6. Step 6: Final answer
    x = 380,406.03

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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.