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Finding the Fourth Proportional to 448,299.60, 672,816.60 and 444,800.40

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Solution

The fourth proportional to 448,299.60, 672,816.60 and 444,800.40 is: 667,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,299.60 : 672,816.60 = 444,800.40 : x
  2. Step 2: Convert to fraction form
    448,299.60/672,816.60 = 444,800.40/x
  3. Step 3: Cross multiply
    448,299.60x = 672,816.60 × 444,800.40
  4. Step 4: Simplify right side
    448,299.60x = 299,269,092,806.64
  5. Step 5: Solve for x
    x = 299,269,092,806.64/448,299.60
  6. Step 6: Final answer
    x = 667,564.93

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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.