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Finding the Fourth Proportional to 474,405.71, 654,687.26 and 259,549.37

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Solution

The fourth proportional to 474,405.71, 654,687.26 and 259,549.37 is: 358,182.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,405.71 : 654,687.26 = 259,549.37 : x
  2. Step 2: Convert to fraction form
    474,405.71/654,687.26 = 259,549.37/x
  3. Step 3: Cross multiply
    474,405.71x = 654,687.26 × 259,549.37
  4. Step 4: Simplify right side
    474,405.71x = 169,923,665,880.03
  5. Step 5: Solve for x
    x = 169,923,665,880.03/474,405.71
  6. Step 6: Final answer
    x = 358,182.17

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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.