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Finding the Fourth Proportional to 675,086.01, 1,012,908.60 and 295,810.80

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Solution

The fourth proportional to 675,086.01, 1,012,908.60 and 295,810.80 is: 443,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,086.01 : 1,012,908.60 = 295,810.80 : x
  2. Step 2: Convert to fraction form
    675,086.01/1,012,908.60 = 295,810.80/x
  3. Step 3: Cross multiply
    675,086.01x = 1,012,908.60 × 295,810.80
  4. Step 4: Simplify right side
    675,086.01x = 299,629,303,292.88
  5. Step 5: Solve for x
    x = 299,629,303,292.88/675,086.01
  6. Step 6: Final answer
    x = 443,838.71

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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.