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Finding the Fourth Proportional to 323,625.78, 485,439.01 and 174,812.28

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Solution

The fourth proportional to 323,625.78, 485,439.01 and 174,812.28 is: 262,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,625.78 : 485,439.01 = 174,812.28 : x
  2. Step 2: Convert to fraction form
    323,625.78/485,439.01 = 174,812.28/x
  3. Step 3: Cross multiply
    323,625.78x = 485,439.01 × 174,812.28
  4. Step 4: Simplify right side
    323,625.78x = 84,860,697,711.85
  5. Step 5: Solve for x
    x = 84,860,697,711.85/323,625.78
  6. Step 6: Final answer
    x = 262,218.60

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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.