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Finding the Fourth Proportional to 354,465.60, 531,212.40 and 227,716.80

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Solution

The fourth proportional to 354,465.60, 531,212.40 and 227,716.80 is: 341,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,465.60 : 531,212.40 = 227,716.80 : x
  2. Step 2: Convert to fraction form
    354,465.60/531,212.40 = 227,716.80/x
  3. Step 3: Cross multiply
    354,465.60x = 531,212.40 × 227,716.80
  4. Step 4: Simplify right side
    354,465.60x = 120,965,987,848.32
  5. Step 5: Solve for x
    x = 120,965,987,848.32/354,465.60
  6. Step 6: Final answer
    x = 341,262.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.