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Finding the Fourth Proportional to 592,951.68, 818,273.66 and 321,019.64

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Solution

The fourth proportional to 592,951.68, 818,273.66 and 321,019.64 is: 443,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,951.68 : 818,273.66 = 321,019.64 : x
  2. Step 2: Convert to fraction form
    592,951.68/818,273.66 = 321,019.64/x
  3. Step 3: Cross multiply
    592,951.68x = 818,273.66 × 321,019.64
  4. Step 4: Simplify right side
    592,951.68x = 262,681,915,754.68
  5. Step 5: Solve for x
    x = 262,681,915,754.68/592,951.68
  6. Step 6: Final answer
    x = 443,007.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.