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Finding the Fourth Proportional to 529,663.05, 794,244.15 and 192,468.69

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Solution

The fourth proportional to 529,663.05, 794,244.15 and 192,468.69 is: 288,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,663.05 : 794,244.15 = 192,468.69 : x
  2. Step 2: Convert to fraction form
    529,663.05/794,244.15 = 192,468.69/x
  3. Step 3: Cross multiply
    529,663.05x = 794,244.15 × 192,468.69
  4. Step 4: Simplify right side
    529,663.05x = 152,867,131,090.66
  5. Step 5: Solve for x
    x = 152,867,131,090.66/529,663.05
  6. Step 6: Final answer
    x = 288,612.04

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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.