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Finding the Fourth Proportional to 448,601.44, 619,026.96 and 247,384.48

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Solution

The fourth proportional to 448,601.44, 619,026.96 and 247,384.48 is: 341,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,601.44 : 619,026.96 = 247,384.48 : x
  2. Step 2: Convert to fraction form
    448,601.44/619,026.96 = 247,384.48/x
  3. Step 3: Cross multiply
    448,601.44x = 619,026.96 × 247,384.48
  4. Step 4: Simplify right side
    448,601.44x = 153,137,662,605.58
  5. Step 5: Solve for x
    x = 153,137,662,605.58/448,601.44
  6. Step 6: Final answer
    x = 341,366.85

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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.