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Finding the Fourth Proportional to 271,363.84, 374,479.68 and 152,131.84

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Solution

The fourth proportional to 271,363.84, 374,479.68 and 152,131.84 is: 209,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,363.84 : 374,479.68 = 152,131.84 : x
  2. Step 2: Convert to fraction form
    271,363.84/374,479.68 = 152,131.84/x
  3. Step 3: Cross multiply
    271,363.84x = 374,479.68 × 152,131.84
  4. Step 4: Simplify right side
    271,363.84x = 56,970,282,761.01
  5. Step 5: Solve for x
    x = 56,970,282,761.01/271,363.84
  6. Step 6: Final answer
    x = 209,940.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.