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Finding the Fourth Proportional to 363,560.80, 501,584.04 and 210,515.44

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Solution

The fourth proportional to 363,560.80, 501,584.04 and 210,515.44 is: 290,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,560.80 : 501,584.04 = 210,515.44 : x
  2. Step 2: Convert to fraction form
    363,560.80/501,584.04 = 210,515.44/x
  3. Step 3: Cross multiply
    363,560.80x = 501,584.04 × 210,515.44
  4. Step 4: Simplify right side
    363,560.80x = 105,591,184,877.58
  5. Step 5: Solve for x
    x = 105,591,184,877.58/363,560.80
  6. Step 6: Final answer
    x = 290,436.11

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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.