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Finding the Fourth Proportional to 325,604.46, 488,013 and 167,746.80

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Solution

The fourth proportional to 325,604.46, 488,013 and 167,746.80 is: 251,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,604.46 : 488,013 = 167,746.80 : x
  2. Step 2: Convert to fraction form
    325,604.46/488,013 = 167,746.80/x
  3. Step 3: Cross multiply
    325,604.46x = 488,013 × 167,746.80
  4. Step 4: Simplify right side
    325,604.46x = 81,862,619,108.40
  5. Step 5: Solve for x
    x = 81,862,619,108.40/325,604.46
  6. Step 6: Final answer
    x = 251,417.38

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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.