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Finding the Fourth Proportional to 554,846.43, 765,605.97 and 336,941.78

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Solution

The fourth proportional to 554,846.43, 765,605.97 and 336,941.78 is: 464,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,846.43 : 765,605.97 = 336,941.78 : x
  2. Step 2: Convert to fraction form
    554,846.43/765,605.97 = 336,941.78/x
  3. Step 3: Cross multiply
    554,846.43x = 765,605.97 × 336,941.78
  4. Step 4: Simplify right side
    554,846.43x = 257,964,638,000.54
  5. Step 5: Solve for x
    x = 257,964,638,000.54/554,846.43
  6. Step 6: Final answer
    x = 464,929.80

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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.