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Finding the Fourth Proportional to 446,270.92, 669,427.90 and 146,744.87

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Solution

The fourth proportional to 446,270.92, 669,427.90 and 146,744.87 is: 220,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,270.92 : 669,427.90 = 146,744.87 : x
  2. Step 2: Convert to fraction form
    446,270.92/669,427.90 = 146,744.87/x
  3. Step 3: Cross multiply
    446,270.92x = 669,427.90 × 146,744.87
  4. Step 4: Simplify right side
    446,270.92x = 98,235,106,445.87
  5. Step 5: Solve for x
    x = 98,235,106,445.87/446,270.92
  6. Step 6: Final answer
    x = 220,124.37

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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.