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Finding the Fourth Proportional to 540,735.75, 811,114.56 and 166,758.75

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Solution

The fourth proportional to 540,735.75, 811,114.56 and 166,758.75 is: 250,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,735.75 : 811,114.56 = 166,758.75 : x
  2. Step 2: Convert to fraction form
    540,735.75/811,114.56 = 166,758.75/x
  3. Step 3: Cross multiply
    540,735.75x = 811,114.56 × 166,758.75
  4. Step 4: Simplify right side
    540,735.75x = 135,260,450,132.40
  5. Step 5: Solve for x
    x = 135,260,450,132.40/540,735.75
  6. Step 6: Final answer
    x = 250,141.50

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1.5x scale

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.