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Finding the Fourth Proportional to 587,940.50, 811,334.40 and 346,233.26

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Solution

The fourth proportional to 587,940.50, 811,334.40 and 346,233.26 is: 477,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,940.50 : 811,334.40 = 346,233.26 : x
  2. Step 2: Convert to fraction form
    587,940.50/811,334.40 = 346,233.26/x
  3. Step 3: Cross multiply
    587,940.50x = 811,334.40 × 346,233.26
  4. Step 4: Simplify right side
    587,940.50x = 280,910,954,262.14
  5. Step 5: Solve for x
    x = 280,910,954,262.14/587,940.50
  6. Step 6: Final answer
    x = 477,788.07

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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.