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Finding the Fourth Proportional to 448,797.94, 619,338.21 and 255,205.66

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Solution

The fourth proportional to 448,797.94, 619,338.21 and 255,205.66 is: 352,182.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,797.94 : 619,338.21 = 255,205.66 : x
  2. Step 2: Convert to fraction form
    448,797.94/619,338.21 = 255,205.66/x
  3. Step 3: Cross multiply
    448,797.94x = 619,338.21 × 255,205.66
  4. Step 4: Simplify right side
    448,797.94x = 158,058,617,761.82
  5. Step 5: Solve for x
    x = 158,058,617,761.82/448,797.94
  6. Step 6: Final answer
    x = 352,182.14

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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.