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Finding the Fourth Proportional to 446,276.92, 669,436.90 and 146,750.86

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Solution

The fourth proportional to 446,276.92, 669,436.90 and 146,750.86 is: 220,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,276.92 : 669,436.90 = 146,750.86 : x
  2. Step 2: Convert to fraction form
    446,276.92/669,436.90 = 146,750.86/x
  3. Step 3: Cross multiply
    446,276.92x = 669,436.90 × 146,750.86
  4. Step 4: Simplify right side
    446,276.92x = 98,240,440,790.73
  5. Step 5: Solve for x
    x = 98,240,440,790.73/446,276.92
  6. Step 6: Final answer
    x = 220,133.37

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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.