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Finding the Fourth Proportional to 592,992.83, 818,329.02 and 321,060.69

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Solution

The fourth proportional to 592,992.83, 818,329.02 and 321,060.69 is: 443,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,992.83 : 818,329.02 = 321,060.69 : x
  2. Step 2: Convert to fraction form
    592,992.83/818,329.02 = 321,060.69/x
  3. Step 3: Cross multiply
    592,992.83x = 818,329.02 × 321,060.69
  4. Step 4: Simplify right side
    592,992.83x = 262,733,279,808.22
  5. Step 5: Solve for x
    x = 262,733,279,808.22/592,992.83
  6. Step 6: Final answer
    x = 443,063.17

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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.