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Finding the Fourth Proportional to 446,662.58, 669,849.89 and 147,071.88

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Solution

The fourth proportional to 446,662.58, 669,849.89 and 147,071.88 is: 220,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,662.58 : 669,849.89 = 147,071.88 : x
  2. Step 2: Convert to fraction form
    446,662.58/669,849.89 = 147,071.88/x
  3. Step 3: Cross multiply
    446,662.58x = 669,849.89 × 147,071.88
  4. Step 4: Simplify right side
    446,662.58x = 98,516,081,904.73
  5. Step 5: Solve for x
    x = 98,516,081,904.73/446,662.58
  6. Step 6: Final answer
    x = 220,560.41

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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.