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Finding the Fourth Proportional to 294,365.70, 406,287.97 and 179,619.76

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Solution

The fourth proportional to 294,365.70, 406,287.97 and 179,619.76 is: 247,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,365.70 : 406,287.97 = 179,619.76 : x
  2. Step 2: Convert to fraction form
    294,365.70/406,287.97 = 179,619.76/x
  3. Step 3: Cross multiply
    294,365.70x = 406,287.97 × 179,619.76
  4. Step 4: Simplify right side
    294,365.70x = 72,977,346,871.09
  5. Step 5: Solve for x
    x = 72,977,346,871.09/294,365.70
  6. Step 6: Final answer
    x = 247,913.89

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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.