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Finding the Fourth Proportional to 612,943.08, 845,858.85 and 341,037

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Solution

The fourth proportional to 612,943.08, 845,858.85 and 341,037 is: 470,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,943.08 : 845,858.85 = 341,037 : x
  2. Step 2: Convert to fraction form
    612,943.08/845,858.85 = 341,037/x
  3. Step 3: Cross multiply
    612,943.08x = 845,858.85 × 341,037
  4. Step 4: Simplify right side
    612,943.08x = 288,469,164,627.45
  5. Step 5: Solve for x
    x = 288,469,164,627.45/612,943.08
  6. Step 6: Final answer
    x = 470,629.61

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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.