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Finding the Fourth Proportional to 599,131.16, 826,806.63 and 340,995.45

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Solution

The fourth proportional to 599,131.16, 826,806.63 and 340,995.45 is: 470,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,131.16 : 826,806.63 = 340,995.45 : x
  2. Step 2: Convert to fraction form
    599,131.16/826,806.63 = 340,995.45/x
  3. Step 3: Cross multiply
    599,131.16x = 826,806.63 × 340,995.45
  4. Step 4: Simplify right side
    599,131.16x = 281,937,293,865.29
  5. Step 5: Solve for x
    x = 281,937,293,865.29/599,131.16
  6. Step 6: Final answer
    x = 470,576.92

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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.