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Finding the Fourth Proportional to 461,680.36, 692,485.94 and 162,163.56

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Solution

The fourth proportional to 461,680.36, 692,485.94 and 162,163.56 is: 243,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,680.36 : 692,485.94 = 162,163.56 : x
  2. Step 2: Convert to fraction form
    461,680.36/692,485.94 = 162,163.56/x
  3. Step 3: Cross multiply
    461,680.36x = 692,485.94 × 162,163.56
  4. Step 4: Simplify right side
    461,680.36x = 112,295,985,280.35
  5. Step 5: Solve for x
    x = 112,295,985,280.35/461,680.36
  6. Step 6: Final answer
    x = 243,233.19

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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.