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Finding the Fourth Proportional to 529,720.56, 794,605.30 and 174,765.60

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Solution

The fourth proportional to 529,720.56, 794,605.30 and 174,765.60 is: 262,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,720.56 : 794,605.30 = 174,765.60 : x
  2. Step 2: Convert to fraction form
    529,720.56/794,605.30 = 174,765.60/x
  3. Step 3: Cross multiply
    529,720.56x = 794,605.30 × 174,765.60
  4. Step 4: Simplify right side
    529,720.56x = 138,869,672,017.68
  5. Step 5: Solve for x
    x = 138,869,672,017.68/529,720.56
  6. Step 6: Final answer
    x = 262,156.47

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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.