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Finding the Fourth Proportional to 576,894.00, 796,096.96 and 318,766.84

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Solution

The fourth proportional to 576,894.00, 796,096.96 and 318,766.84 is: 439,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,894.00 : 796,096.96 = 318,766.84 : x
  2. Step 2: Convert to fraction form
    576,894.00/796,096.96 = 318,766.84/x
  3. Step 3: Cross multiply
    576,894.00x = 796,096.96 × 318,766.84
  4. Step 4: Simplify right side
    576,894.00x = 253,769,313,963.69
  5. Step 5: Solve for x
    x = 253,769,313,963.69/576,894.00
  6. Step 6: Final answer
    x = 439,888.98

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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.