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Finding the Fourth Proportional to 570,799.92, 787,709.60 and 344,401.68

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Solution

The fourth proportional to 570,799.92, 787,709.60 and 344,401.68 is: 475,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,799.92 : 787,709.60 = 344,401.68 : x
  2. Step 2: Convert to fraction form
    570,799.92/787,709.60 = 344,401.68/x
  3. Step 3: Cross multiply
    570,799.92x = 787,709.60 × 344,401.68
  4. Step 4: Simplify right side
    570,799.92x = 271,288,509,592.13
  5. Step 5: Solve for x
    x = 271,288,509,592.13/570,799.92
  6. Step 6: Final answer
    x = 475,277.76

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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.