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Finding the Fourth Proportional to 449,244.69, 619,884.48 and 265,457.69

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Solution

The fourth proportional to 449,244.69, 619,884.48 and 265,457.69 is: 366,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,244.69 : 619,884.48 = 265,457.69 : x
  2. Step 2: Convert to fraction form
    449,244.69/619,884.48 = 265,457.69/x
  3. Step 3: Cross multiply
    449,244.69x = 619,884.48 × 265,457.69
  4. Step 4: Simplify right side
    449,244.69x = 164,553,099,028.23
  5. Step 5: Solve for x
    x = 164,553,099,028.23/449,244.69
  6. Step 6: Final answer
    x = 366,288.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.