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Finding the Fourth Proportional to 451,397.88, 677,185.38 and 167,090.91

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Solution

The fourth proportional to 451,397.88, 677,185.38 and 167,090.91 is: 250,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,397.88 : 677,185.38 = 167,090.91 : x
  2. Step 2: Convert to fraction form
    451,397.88/677,185.38 = 167,090.91/x
  3. Step 3: Cross multiply
    451,397.88x = 677,185.38 × 167,090.91
  4. Step 4: Simplify right side
    451,397.88x = 113,151,521,382.90
  5. Step 5: Solve for x
    x = 113,151,521,382.90/451,397.88
  6. Step 6: Final answer
    x = 250,669.15

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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.