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Finding the Fourth Proportional to 293,696.48, 440,329.20 and 93,901.88

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Solution

The fourth proportional to 293,696.48, 440,329.20 and 93,901.88 is: 140,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,696.48 : 440,329.20 = 93,901.88 : x
  2. Step 2: Convert to fraction form
    293,696.48/440,329.20 = 93,901.88/x
  3. Step 3: Cross multiply
    293,696.48x = 440,329.20 × 93,901.88
  4. Step 4: Simplify right side
    293,696.48x = 41,347,739,698.90
  5. Step 5: Solve for x
    x = 41,347,739,698.90/293,696.48
  6. Step 6: Final answer
    x = 140,783.91

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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.