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Finding the Fourth Proportional to 448,602.84, 672,940.68 and 133,058.82

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Solution

The fourth proportional to 448,602.84, 672,940.68 and 133,058.82 is: 199,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,602.84 : 672,940.68 = 133,058.82 : x
  2. Step 2: Convert to fraction form
    448,602.84/672,940.68 = 133,058.82/x
  3. Step 3: Cross multiply
    448,602.84x = 672,940.68 × 133,058.82
  4. Step 4: Simplify right side
    448,602.84x = 89,540,692,810.80
  5. Step 5: Solve for x
    x = 89,540,692,810.80/448,602.84
  6. Step 6: Final answer
    x = 199,599.03

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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.