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Finding the Fourth Proportional to 340,873.80, 470,851.02 and 276,583.29

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Solution

The fourth proportional to 340,873.80, 470,851.02 and 276,583.29 is: 382,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,873.80 : 470,851.02 = 276,583.29 : x
  2. Step 2: Convert to fraction form
    340,873.80/470,851.02 = 276,583.29/x
  3. Step 3: Cross multiply
    340,873.80x = 470,851.02 × 276,583.29
  4. Step 4: Simplify right side
    340,873.80x = 130,229,524,211.46
  5. Step 5: Solve for x
    x = 130,229,524,211.46/340,873.80
  6. Step 6: Final answer
    x = 382,046.15

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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.