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Finding the Fourth Proportional to 529,770.15, 794,174.61 and 192,572.64

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Solution

The fourth proportional to 529,770.15, 794,174.61 and 192,572.64 is: 288,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,770.15 : 794,174.61 = 192,572.64 : x
  2. Step 2: Convert to fraction form
    529,770.15/794,174.61 = 192,572.64/x
  3. Step 3: Cross multiply
    529,770.15x = 794,174.61 × 192,572.64
  4. Step 4: Simplify right side
    529,770.15x = 152,936,301,268.67
  5. Step 5: Solve for x
    x = 152,936,301,268.67/529,770.15
  6. Step 6: Final answer
    x = 288,684.26

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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.