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Finding the Fourth Proportional to 448,600.58, 672,937.31 and 133,056.57

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Solution

The fourth proportional to 448,600.58, 672,937.31 and 133,056.57 is: 199,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,600.58 : 672,937.31 = 133,056.57 : x
  2. Step 2: Convert to fraction form
    448,600.58/672,937.31 = 133,056.57/x
  3. Step 3: Cross multiply
    448,600.58x = 672,937.31 × 133,056.57
  4. Step 4: Simplify right side
    448,600.58x = 89,538,729,628.34
  5. Step 5: Solve for x
    x = 89,538,729,628.34/448,600.58
  6. Step 6: Final answer
    x = 199,595.66

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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.