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Finding the Fourth Proportional to 477,446.25, 658,881.32 and 262,589.90

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Solution

The fourth proportional to 477,446.25, 658,881.32 and 262,589.90 is: 362,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,446.25 : 658,881.32 = 262,589.90 : x
  2. Step 2: Convert to fraction form
    477,446.25/658,881.32 = 262,589.90/x
  3. Step 3: Cross multiply
    477,446.25x = 658,881.32 × 262,589.90
  4. Step 4: Simplify right side
    477,446.25x = 173,015,579,930.67
  5. Step 5: Solve for x
    x = 173,015,579,930.67/477,446.25
  6. Step 6: Final answer
    x = 362,377.08

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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.