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Finding the Fourth Proportional to 382,609.44, 526,799.16 and 325,127.52

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Solution

The fourth proportional to 382,609.44, 526,799.16 and 325,127.52 is: 447,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,609.44 : 526,799.16 = 325,127.52 : x
  2. Step 2: Convert to fraction form
    382,609.44/526,799.16 = 325,127.52/x
  3. Step 3: Cross multiply
    382,609.44x = 526,799.16 × 325,127.52
  4. Step 4: Simplify right side
    382,609.44x = 171,276,904,428.88
  5. Step 5: Solve for x
    x = 171,276,904,428.88/382,609.44
  6. Step 6: Final answer
    x = 447,654.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.