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Finding the Fourth Proportional to 448,955.24, 619,561.85 and 245,007.77

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Solution

The fourth proportional to 448,955.24, 619,561.85 and 245,007.77 is: 338,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,955.24 : 619,561.85 = 245,007.77 : x
  2. Step 2: Convert to fraction form
    448,955.24/619,561.85 = 245,007.77/x
  3. Step 3: Cross multiply
    448,955.24x = 619,561.85 × 245,007.77
  4. Step 4: Simplify right side
    448,955.24x = 151,797,462,922.73
  5. Step 5: Solve for x
    x = 151,797,462,922.73/448,955.24
  6. Step 6: Final answer
    x = 338,112.69

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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.