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Finding the Fourth Proportional to 273,326.40, 409,866.48 and 115,473.60

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Solution

The fourth proportional to 273,326.40, 409,866.48 and 115,473.60 is: 173,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,326.40 : 409,866.48 = 115,473.60 : x
  2. Step 2: Convert to fraction form
    273,326.40/409,866.48 = 115,473.60/x
  3. Step 3: Cross multiply
    273,326.40x = 409,866.48 × 115,473.60
  4. Step 4: Simplify right side
    273,326.40x = 47,328,757,964.93
  5. Step 5: Solve for x
    x = 47,328,757,964.93/273,326.40
  6. Step 6: Final answer
    x = 173,158.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.