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Finding the Fourth Proportional to 622,846.97, 859,528.77 and 336,367.01

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Solution

The fourth proportional to 622,846.97, 859,528.77 and 336,367.01 is: 464,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,846.97 : 859,528.77 = 336,367.01 : x
  2. Step 2: Convert to fraction form
    622,846.97/859,528.77 = 336,367.01/x
  3. Step 3: Cross multiply
    622,846.97x = 859,528.77 × 336,367.01
  4. Step 4: Simplify right side
    622,846.97x = 289,117,123,261.32
  5. Step 5: Solve for x
    x = 289,117,123,261.32/622,846.97
  6. Step 6: Final answer
    x = 464,186.45

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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.