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Finding the Fourth Proportional to 610,558.41, 842,558.04 and 338,582.41

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Solution

The fourth proportional to 610,558.41, 842,558.04 and 338,582.41 is: 467,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,558.41 : 842,558.04 = 338,582.41 : x
  2. Step 2: Convert to fraction form
    610,558.41/842,558.04 = 338,582.41/x
  3. Step 3: Cross multiply
    610,558.41x = 842,558.04 × 338,582.41
  4. Step 4: Simplify right side
    610,558.41x = 285,275,331,748.08
  5. Step 5: Solve for x
    x = 285,275,331,748.08/610,558.41
  6. Step 6: Final answer
    x = 467,236.76

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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.