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Finding the Fourth Proportional to 448,482.22, 672,608.51 and 132,865.31

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Solution

The fourth proportional to 448,482.22, 672,608.51 and 132,865.31 is: 199,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,482.22 : 672,608.51 = 132,865.31 : x
  2. Step 2: Convert to fraction form
    448,482.22/672,608.51 = 132,865.31/x
  3. Step 3: Cross multiply
    448,482.22x = 672,608.51 × 132,865.31
  4. Step 4: Simplify right side
    448,482.22x = 89,366,339,705.23
  5. Step 5: Solve for x
    x = 89,366,339,705.23/448,482.22
  6. Step 6: Final answer
    x = 199,263.95

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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.