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Finding the Fourth Proportional to 370,504.41, 556,500.60 and 221,036.73

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Solution

The fourth proportional to 370,504.41, 556,500.60 and 221,036.73 is: 331,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,504.41 : 556,500.60 = 221,036.73 : x
  2. Step 2: Convert to fraction form
    370,504.41/556,500.60 = 221,036.73/x
  3. Step 3: Cross multiply
    370,504.41x = 556,500.60 × 221,036.73
  4. Step 4: Simplify right side
    370,504.41x = 123,007,072,867.04
  5. Step 5: Solve for x
    x = 123,007,072,867.04/370,504.41
  6. Step 6: Final answer
    x = 331,998.94

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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.