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Finding the Fourth Proportional to 344,254.82, 516,362.16 and 154,666.22

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Solution

The fourth proportional to 344,254.82, 516,362.16 and 154,666.22 is: 231,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,254.82 : 516,362.16 = 154,666.22 : x
  2. Step 2: Convert to fraction form
    344,254.82/516,362.16 = 154,666.22/x
  3. Step 3: Cross multiply
    344,254.82x = 516,362.16 × 154,666.22
  4. Step 4: Simplify right side
    344,254.82x = 79,863,783,438.24
  5. Step 5: Solve for x
    x = 79,863,783,438.24/344,254.82
  6. Step 6: Final answer
    x = 231,990.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.