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Finding the Fourth Proportional to 526,293.94, 789,538.28 and 166,555.32

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Solution

The fourth proportional to 526,293.94, 789,538.28 and 166,555.32 is: 249,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,293.94 : 789,538.28 = 166,555.32 : x
  2. Step 2: Convert to fraction form
    526,293.94/789,538.28 = 166,555.32/x
  3. Step 3: Cross multiply
    526,293.94x = 789,538.28 × 166,555.32
  4. Step 4: Simplify right side
    526,293.94x = 131,501,800,877.65
  5. Step 5: Solve for x
    x = 131,501,800,877.65/526,293.94
  6. Step 6: Final answer
    x = 249,863.79

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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.