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Finding the Fourth Proportional to 363,591.12, 501,593.80 and 212,621.52

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Solution

The fourth proportional to 363,591.12, 501,593.80 and 212,621.52 is: 293,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,591.12 : 501,593.80 = 212,621.52 : x
  2. Step 2: Convert to fraction form
    363,591.12/501,593.80 = 212,621.52/x
  3. Step 3: Cross multiply
    363,591.12x = 501,593.80 × 212,621.52
  4. Step 4: Simplify right side
    363,591.12x = 106,649,636,178.58
  5. Step 5: Solve for x
    x = 106,649,636,178.58/363,591.12
  6. Step 6: Final answer
    x = 293,322.99

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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.