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Finding the Fourth Proportional to 446,146.20, 669,446.10 and 296,490.60

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Solution

The fourth proportional to 446,146.20, 669,446.10 and 296,490.60 is: 444,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,146.20 : 669,446.10 = 296,490.60 : x
  2. Step 2: Convert to fraction form
    446,146.20/669,446.10 = 296,490.60/x
  3. Step 3: Cross multiply
    446,146.20x = 669,446.10 × 296,490.60
  4. Step 4: Simplify right side
    446,146.20x = 198,484,475,856.66
  5. Step 5: Solve for x
    x = 198,484,475,856.66/446,146.20
  6. Step 6: Final answer
    x = 444,886.62

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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.