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Finding the Fourth Proportional to 481,063.68, 721,587.96 and 165,523.32

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Solution

The fourth proportional to 481,063.68, 721,587.96 and 165,523.32 is: 248,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,063.68 : 721,587.96 = 165,523.32 : x
  2. Step 2: Convert to fraction form
    481,063.68/721,587.96 = 165,523.32/x
  3. Step 3: Cross multiply
    481,063.68x = 721,587.96 × 165,523.32
  4. Step 4: Simplify right side
    481,063.68x = 119,439,634,811.23
  5. Step 5: Solve for x
    x = 119,439,634,811.23/481,063.68
  6. Step 6: Final answer
    x = 248,282.38

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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.