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Finding the Fourth Proportional to 682,273.82, 941,619.18 and 395,803.55

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Solution

The fourth proportional to 682,273.82, 941,619.18 and 395,803.55 is: 546,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,273.82 : 941,619.18 = 395,803.55 : x
  2. Step 2: Convert to fraction form
    682,273.82/941,619.18 = 395,803.55/x
  3. Step 3: Cross multiply
    682,273.82x = 941,619.18 × 395,803.55
  4. Step 4: Simplify right side
    682,273.82x = 372,696,209,483.99
  5. Step 5: Solve for x
    x = 372,696,209,483.99/682,273.82
  6. Step 6: Final answer
    x = 546,256.07

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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.