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Finding the Fourth Proportional to 585,212.22, 807,940.90 and 370,536.30

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Solution

The fourth proportional to 585,212.22, 807,940.90 and 370,536.30 is: 511,560.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,212.22 : 807,940.90 = 370,536.30 : x
  2. Step 2: Convert to fraction form
    585,212.22/807,940.90 = 370,536.30/x
  3. Step 3: Cross multiply
    585,212.22x = 807,940.90 × 370,536.30
  4. Step 4: Simplify right side
    585,212.22x = 299,371,431,704.67
  5. Step 5: Solve for x
    x = 299,371,431,704.67/585,212.22
  6. Step 6: Final answer
    x = 511,560.46

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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.