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Finding the Fourth Proportional to 448,873.50, 619,458.39 and 247,682.46

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Solution

The fourth proportional to 448,873.50, 619,458.39 and 247,682.46 is: 341,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,873.50 : 619,458.39 = 247,682.46 : x
  2. Step 2: Convert to fraction form
    448,873.50/619,458.39 = 247,682.46/x
  3. Step 3: Cross multiply
    448,873.50x = 619,458.39 × 247,682.46
  4. Step 4: Simplify right side
    448,873.50x = 153,428,977,902.84
  5. Step 5: Solve for x
    x = 153,428,977,902.84/448,873.50
  6. Step 6: Final answer
    x = 341,808.95

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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.