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Finding the Fourth Proportional to 446,294.80, 669,442.24 and 130,751.76

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Solution

The fourth proportional to 446,294.80, 669,442.24 and 130,751.76 is: 196,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,294.80 : 669,442.24 = 130,751.76 : x
  2. Step 2: Convert to fraction form
    446,294.80/669,442.24 = 130,751.76/x
  3. Step 3: Cross multiply
    446,294.80x = 669,442.24 × 130,751.76
  4. Step 4: Simplify right side
    446,294.80x = 87,530,751,098.34
  5. Step 5: Solve for x
    x = 87,530,751,098.34/446,294.80
  6. Step 6: Final answer
    x = 196,127.65

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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.