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Finding the Fourth Proportional to 448,254.54, 672,480.18 and 132,735.96

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Solution

The fourth proportional to 448,254.54, 672,480.18 and 132,735.96 is: 199,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,254.54 : 672,480.18 = 132,735.96 : x
  2. Step 2: Convert to fraction form
    448,254.54/672,480.18 = 132,735.96/x
  3. Step 3: Cross multiply
    448,254.54x = 672,480.18 × 132,735.96
  4. Step 4: Simplify right side
    448,254.54x = 89,262,302,273.27
  5. Step 5: Solve for x
    x = 89,262,302,273.27/448,254.54
  6. Step 6: Final answer
    x = 199,133.07

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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.