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Finding the Fourth Proportional to 448,599.83, 672,936.18 and 133,055.82

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Solution

The fourth proportional to 448,599.83, 672,936.18 and 133,055.82 is: 199,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,599.83 : 672,936.18 = 133,055.82 : x
  2. Step 2: Convert to fraction form
    448,599.83/672,936.18 = 133,055.82/x
  3. Step 3: Cross multiply
    448,599.83x = 672,936.18 × 133,055.82
  4. Step 4: Simplify right side
    448,599.83x = 89,538,075,237.57
  5. Step 5: Solve for x
    x = 89,538,075,237.57/448,599.83
  6. Step 6: Final answer
    x = 199,594.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.