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Finding the Fourth Proportional to 592,860.94, 818,150.05 and 320,928.76

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Solution

The fourth proportional to 592,860.94, 818,150.05 and 320,928.76 is: 442,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,860.94 : 818,150.05 = 320,928.76 : x
  2. Step 2: Convert to fraction form
    592,860.94/818,150.05 = 320,928.76/x
  3. Step 3: Cross multiply
    592,860.94x = 818,150.05 × 320,928.76
  4. Step 4: Simplify right side
    592,860.94x = 262,567,876,949.69
  5. Step 5: Solve for x
    x = 262,567,876,949.69/592,860.94
  6. Step 6: Final answer
    x = 442,882.74

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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.