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Finding the Fourth Proportional to 323,813.35, 485,859.62 and 173,878.30

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Solution

The fourth proportional to 323,813.35, 485,859.62 and 173,878.30 is: 260,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,813.35 : 485,859.62 = 173,878.30 : x
  2. Step 2: Convert to fraction form
    323,813.35/485,859.62 = 173,878.30/x
  3. Step 3: Cross multiply
    323,813.35x = 485,859.62 × 173,878.30
  4. Step 4: Simplify right side
    323,813.35x = 84,480,444,764.25
  5. Step 5: Solve for x
    x = 84,480,444,764.25/323,813.35
  6. Step 6: Final answer
    x = 260,892.41

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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.