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Finding the Fourth Proportional to 474,903.32, 712,163.58 and 171,211.01

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Solution

The fourth proportional to 474,903.32, 712,163.58 and 171,211.01 is: 256,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,903.32 : 712,163.58 = 171,211.01 : x
  2. Step 2: Convert to fraction form
    474,903.32/712,163.58 = 171,211.01/x
  3. Step 3: Cross multiply
    474,903.32x = 712,163.58 × 171,211.01
  4. Step 4: Simplify right side
    474,903.32x = 121,930,245,817.02
  5. Step 5: Solve for x
    x = 121,930,245,817.02/474,903.32
  6. Step 6: Final answer
    x = 256,747.51

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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.