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Finding the Fourth Proportional to 484,872.25, 668,471.59 and 339,482.54

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Solution

The fourth proportional to 484,872.25, 668,471.59 and 339,482.54 is: 468,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,872.25 : 668,471.59 = 339,482.54 : x
  2. Step 2: Convert to fraction form
    484,872.25/668,471.59 = 339,482.54/x
  3. Step 3: Cross multiply
    484,872.25x = 668,471.59 × 339,482.54
  4. Step 4: Simplify right side
    484,872.25x = 226,934,433,476.98
  5. Step 5: Solve for x
    x = 226,934,433,476.98/484,872.25
  6. Step 6: Final answer
    x = 468,029.33

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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.