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Finding the Fourth Proportional to 471,342.96, 707,125.19 and 155,799.88

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Solution

The fourth proportional to 471,342.96, 707,125.19 and 155,799.88 is: 233,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,342.96 : 707,125.19 = 155,799.88 : x
  2. Step 2: Convert to fraction form
    471,342.96/707,125.19 = 155,799.88/x
  3. Step 3: Cross multiply
    471,342.96x = 707,125.19 × 155,799.88
  4. Step 4: Simplify right side
    471,342.96x = 110,170,019,746.98
  5. Step 5: Solve for x
    x = 110,170,019,746.98/471,342.96
  6. Step 6: Final answer
    x = 233,736.43

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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.