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Finding the Fourth Proportional to 585,410.88, 807,873.28 and 343,696.34

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Solution

The fourth proportional to 585,410.88, 807,873.28 and 343,696.34 is: 474,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,410.88 : 807,873.28 = 343,696.34 : x
  2. Step 2: Convert to fraction form
    585,410.88/807,873.28 = 343,696.34/x
  3. Step 3: Cross multiply
    585,410.88x = 807,873.28 × 343,696.34
  4. Step 4: Simplify right side
    585,410.88x = 277,663,089,519.80
  5. Step 5: Solve for x
    x = 277,663,089,519.80/585,410.88
  6. Step 6: Final answer
    x = 474,304.63

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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.