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Finding the Fourth Proportional to 529,720.55, 794,605.31 and 174,765.59

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Solution

The fourth proportional to 529,720.55, 794,605.31 and 174,765.59 is: 262,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,720.55 : 794,605.31 = 174,765.59 : x
  2. Step 2: Convert to fraction form
    529,720.55/794,605.31 = 174,765.59/x
  3. Step 3: Cross multiply
    529,720.55x = 794,605.31 × 174,765.59
  4. Step 4: Simplify right side
    529,720.55x = 138,869,665,819.28
  5. Step 5: Solve for x
    x = 138,869,665,819.28/529,720.55
  6. Step 6: Final answer
    x = 262,156.46

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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.