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Finding the Fourth Proportional to 529,396.56, 794,228.49 and 155,419.56

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Solution

The fourth proportional to 529,396.56, 794,228.49 and 155,419.56 is: 233,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,396.56 : 794,228.49 = 155,419.56 : x
  2. Step 2: Convert to fraction form
    529,396.56/794,228.49 = 155,419.56/x
  3. Step 3: Cross multiply
    529,396.56x = 794,228.49 × 155,419.56
  4. Step 4: Simplify right side
    529,396.56x = 123,438,642,455.26
  5. Step 5: Solve for x
    x = 123,438,642,455.26/529,396.56
  6. Step 6: Final answer
    x = 233,168.58

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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.