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Finding the Fourth Proportional to 294,516.61, 406,422.24 and 179,986.87

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Solution

The fourth proportional to 294,516.61, 406,422.24 and 179,986.87 is: 248,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,516.61 : 406,422.24 = 179,986.87 : x
  2. Step 2: Convert to fraction form
    294,516.61/406,422.24 = 179,986.87/x
  3. Step 3: Cross multiply
    294,516.61x = 406,422.24 × 179,986.87
  4. Step 4: Simplify right side
    294,516.61x = 73,150,666,875.99
  5. Step 5: Solve for x
    x = 73,150,666,875.99/294,516.61
  6. Step 6: Final answer
    x = 248,375.35

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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.