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Finding the Fourth Proportional to 774,980.56, 1,162,474.56 and 235,241.50

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Solution

The fourth proportional to 774,980.56, 1,162,474.56 and 235,241.50 is: 352,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,980.56 : 1,162,474.56 = 235,241.50 : x
  2. Step 2: Convert to fraction form
    774,980.56/1,162,474.56 = 235,241.50/x
  3. Step 3: Cross multiply
    774,980.56x = 1,162,474.56 × 235,241.50
  4. Step 4: Simplify right side
    774,980.56x = 273,462,259,206.24
  5. Step 5: Solve for x
    x = 273,462,259,206.24/774,980.56
  6. Step 6: Final answer
    x = 352,863.38

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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.