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Finding the Fourth Proportional to 340,476.01, 468,991.82 and 259,763.36

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Solution

The fourth proportional to 340,476.01, 468,991.82 and 259,763.36 is: 357,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,476.01 : 468,991.82 = 259,763.36 : x
  2. Step 2: Convert to fraction form
    340,476.01/468,991.82 = 259,763.36/x
  3. Step 3: Cross multiply
    340,476.01x = 468,991.82 × 259,763.36
  4. Step 4: Simplify right side
    340,476.01x = 121,826,889,280.16
  5. Step 5: Solve for x
    x = 121,826,889,280.16/340,476.01
  6. Step 6: Final answer
    x = 357,813.43

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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.