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Finding the Fourth Proportional to 251,795.44, 347,456.48 and 144,340.80

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Solution

The fourth proportional to 251,795.44, 347,456.48 and 144,340.80 is: 199,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,795.44 : 347,456.48 = 144,340.80 : x
  2. Step 2: Convert to fraction form
    251,795.44/347,456.48 = 144,340.80/x
  3. Step 3: Cross multiply
    251,795.44x = 347,456.48 × 144,340.80
  4. Step 4: Simplify right side
    251,795.44x = 50,152,146,288.38
  5. Step 5: Solve for x
    x = 50,152,146,288.38/251,795.44
  6. Step 6: Final answer
    x = 199,178.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.