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Finding the Fourth Proportional to 516,608.46, 774,868.68 and 179,562.60

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Solution

The fourth proportional to 516,608.46, 774,868.68 and 179,562.60 is: 269,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,608.46 : 774,868.68 = 179,562.60 : x
  2. Step 2: Convert to fraction form
    516,608.46/774,868.68 = 179,562.60/x
  3. Step 3: Cross multiply
    516,608.46x = 774,868.68 × 179,562.60
  4. Step 4: Simplify right side
    516,608.46x = 139,137,434,839.37
  5. Step 5: Solve for x
    x = 139,137,434,839.37/516,608.46
  6. Step 6: Final answer
    x = 269,328.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.