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Finding the Fourth Proportional to 433,720.80, 650,581.20 and 167,493.60

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Solution

The fourth proportional to 433,720.80, 650,581.20 and 167,493.60 is: 251,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,720.80 : 650,581.20 = 167,493.60 : x
  2. Step 2: Convert to fraction form
    433,720.80/650,581.20 = 167,493.60/x
  3. Step 3: Cross multiply
    433,720.80x = 650,581.20 × 167,493.60
  4. Step 4: Simplify right side
    433,720.80x = 108,968,187,280.32
  5. Step 5: Solve for x
    x = 108,968,187,280.32/433,720.80
  6. Step 6: Final answer
    x = 251,240.40

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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.