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Finding the Fourth Proportional to 294,340.40, 441,584.40 and 116,788.80

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Solution

The fourth proportional to 294,340.40, 441,584.40 and 116,788.80 is: 175,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,340.40 : 441,584.40 = 116,788.80 : x
  2. Step 2: Convert to fraction form
    294,340.40/441,584.40 = 116,788.80/x
  3. Step 3: Cross multiply
    294,340.40x = 441,584.40 × 116,788.80
  4. Step 4: Simplify right side
    294,340.40x = 51,572,112,174.72
  5. Step 5: Solve for x
    x = 51,572,112,174.72/294,340.40
  6. Step 6: Final answer
    x = 175,212.49

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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.