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Finding the Fourth Proportional to 294,438.40, 441,657.75 and 94,758.79

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Solution

The fourth proportional to 294,438.40, 441,657.75 and 94,758.79 is: 142,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,438.40 : 441,657.75 = 94,758.79 : x
  2. Step 2: Convert to fraction form
    294,438.40/441,657.75 = 94,758.79/x
  3. Step 3: Cross multiply
    294,438.40x = 441,657.75 × 94,758.79
  4. Step 4: Simplify right side
    294,438.40x = 41,850,953,984.12
  5. Step 5: Solve for x
    x = 41,850,953,984.12/294,438.40
  6. Step 6: Final answer
    x = 142,138.23

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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.