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Finding the Fourth Proportional to 526,173.14, 788,892.31 and 269,507.21

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Solution

The fourth proportional to 526,173.14, 788,892.31 and 269,507.21 is: 404,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,173.14 : 788,892.31 = 269,507.21 : x
  2. Step 2: Convert to fraction form
    526,173.14/788,892.31 = 269,507.21/x
  3. Step 3: Cross multiply
    526,173.14x = 788,892.31 × 269,507.21
  4. Step 4: Simplify right side
    526,173.14x = 212,612,160,166.56
  5. Step 5: Solve for x
    x = 212,612,160,166.56/526,173.14
  6. Step 6: Final answer
    x = 404,072.63

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1.5x scale

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.