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Finding the Fourth Proportional to 313,625.20, 470,092.20 and 173,484.40

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Solution

The fourth proportional to 313,625.20, 470,092.20 and 173,484.40 is: 260,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,625.20 : 470,092.20 = 173,484.40 : x
  2. Step 2: Convert to fraction form
    313,625.20/470,092.20 = 173,484.40/x
  3. Step 3: Cross multiply
    313,625.20x = 470,092.20 × 173,484.40
  4. Step 4: Simplify right side
    313,625.20x = 81,553,663,261.68
  5. Step 5: Solve for x
    x = 81,553,663,261.68/313,625.20
  6. Step 6: Final answer
    x = 260,035.43

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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.