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Finding the Fourth Proportional to 294,759, 406,833.03 and 187,308.05

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Solution

The fourth proportional to 294,759, 406,833.03 and 187,308.05 is: 258,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,759 : 406,833.03 = 187,308.05 : x
  2. Step 2: Convert to fraction form
    294,759/406,833.03 = 187,308.05/x
  3. Step 3: Cross multiply
    294,759x = 406,833.03 × 187,308.05
  4. Step 4: Simplify right side
    294,759x = 76,203,099,490.73
  5. Step 5: Solve for x
    x = 76,203,099,490.73/294,759
  6. Step 6: Final answer
    x = 258,526.79

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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.