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Finding the Fourth Proportional to 579,750.70, 809,992.10 and 579,750.70

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Solution

The fourth proportional to 579,750.70, 809,992.10 and 579,750.70 is: 809,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,750.70 : 809,992.10 = 579,750.70 : x
  2. Step 2: Convert to fraction form
    579,750.70/809,992.10 = 579,750.70/x
  3. Step 3: Cross multiply
    579,750.70x = 809,992.10 × 579,750.70
  4. Step 4: Simplify right side
    579,750.70x = 469,593,486,969.47
  5. Step 5: Solve for x
    x = 469,593,486,969.47/579,750.70
  6. Step 6: Final answer
    x = 809,992.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.