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Finding the Fourth Proportional to 293,628.94, 440,509.04 and 93,961.31

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Solution

The fourth proportional to 293,628.94, 440,509.04 and 93,961.31 is: 140,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,628.94 : 440,509.04 = 93,961.31 : x
  2. Step 2: Convert to fraction form
    293,628.94/440,509.04 = 93,961.31/x
  3. Step 3: Cross multiply
    293,628.94x = 440,509.04 × 93,961.31
  4. Step 4: Simplify right side
    293,628.94x = 41,390,805,995.44
  5. Step 5: Solve for x
    x = 41,390,805,995.44/293,628.94
  6. Step 6: Final answer
    x = 140,962.97

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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.