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Finding the Fourth Proportional to 448,634.05, 619,004.23 and 264,876.90

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Solution

The fourth proportional to 448,634.05, 619,004.23 and 264,876.90 is: 365,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,634.05 : 619,004.23 = 264,876.90 : x
  2. Step 2: Convert to fraction form
    448,634.05/619,004.23 = 264,876.90/x
  3. Step 3: Cross multiply
    448,634.05x = 619,004.23 × 264,876.90
  4. Step 4: Simplify right side
    448,634.05x = 163,959,923,472.36
  5. Step 5: Solve for x
    x = 163,959,923,472.36/448,634.05
  6. Step 6: Final answer
    x = 365,464.74

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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.