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Finding the Fourth Proportional to 592,765.74, 889,241.21 and 193,313.61

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Solution

The fourth proportional to 592,765.74, 889,241.21 and 193,313.61 is: 290,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,765.74 : 889,241.21 = 193,313.61 : x
  2. Step 2: Convert to fraction form
    592,765.74/889,241.21 = 193,313.61/x
  3. Step 3: Cross multiply
    592,765.74x = 889,241.21 × 193,313.61
  4. Step 4: Simplify right side
    592,765.74x = 171,902,427,499.30
  5. Step 5: Solve for x
    x = 171,902,427,499.30/592,765.74
  6. Step 6: Final answer
    x = 290,000.61

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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.