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Finding the Fourth Proportional to 622,808.81, 859,472.24 and 350,964.03

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Solution

The fourth proportional to 622,808.81, 859,472.24 and 350,964.03 is: 484,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,808.81 : 859,472.24 = 350,964.03 : x
  2. Step 2: Convert to fraction form
    622,808.81/859,472.24 = 350,964.03/x
  3. Step 3: Cross multiply
    622,808.81x = 859,472.24 × 350,964.03
  4. Step 4: Simplify right side
    622,808.81x = 301,643,839,409.82
  5. Step 5: Solve for x
    x = 301,643,839,409.82/622,808.81
  6. Step 6: Final answer
    x = 484,328.15

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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.