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Finding the Fourth Proportional to 580,592.88, 801,305.64 and 354,369.84

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Solution

The fourth proportional to 580,592.88, 801,305.64 and 354,369.84 is: 489,083.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,592.88 : 801,305.64 = 354,369.84 : x
  2. Step 2: Convert to fraction form
    580,592.88/801,305.64 = 354,369.84/x
  3. Step 3: Cross multiply
    580,592.88x = 801,305.64 × 354,369.84
  4. Step 4: Simplify right side
    580,592.88x = 283,958,551,437.90
  5. Step 5: Solve for x
    x = 283,958,551,437.90/580,592.88
  6. Step 6: Final answer
    x = 489,083.76

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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.