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Finding the Fourth Proportional to 628,323.89, 867,089.00 and 341,843.90

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Solution

The fourth proportional to 628,323.89, 867,089.00 and 341,843.90 is: 471,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,323.89 : 867,089.00 = 341,843.90 : x
  2. Step 2: Convert to fraction form
    628,323.89/867,089.00 = 341,843.90/x
  3. Step 3: Cross multiply
    628,323.89x = 867,089.00 × 341,843.90
  4. Step 4: Simplify right side
    628,323.89x = 296,409,081,926.27
  5. Step 5: Solve for x
    x = 296,409,081,926.27/628,323.89
  6. Step 6: Final answer
    x = 471,745.69

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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.