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Finding the Fourth Proportional to 521,540.46, 719,602.46 and 295,185.96

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Solution

The fourth proportional to 521,540.46, 719,602.46 and 295,185.96 is: 407,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,540.46 : 719,602.46 = 295,185.96 : x
  2. Step 2: Convert to fraction form
    521,540.46/719,602.46 = 295,185.96/x
  3. Step 3: Cross multiply
    521,540.46x = 719,602.46 × 295,185.96
  4. Step 4: Simplify right side
    521,540.46x = 212,416,542,973.46
  5. Step 5: Solve for x
    x = 212,416,542,973.46/521,540.46
  6. Step 6: Final answer
    x = 407,286.80

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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.