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Finding the Fourth Proportional to 294,083.80, 440,250.90 and 194,356.60

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Solution

The fourth proportional to 294,083.80, 440,250.90 and 194,356.60 is: 290,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,083.80 : 440,250.90 = 194,356.60 : x
  2. Step 2: Convert to fraction form
    294,083.80/440,250.90 = 194,356.60/x
  3. Step 3: Cross multiply
    294,083.80x = 440,250.90 × 194,356.60
  4. Step 4: Simplify right side
    294,083.80x = 85,565,668,070.94
  5. Step 5: Solve for x
    x = 85,565,668,070.94/294,083.80
  6. Step 6: Final answer
    x = 290,956.75

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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.