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Finding the Fourth Proportional to 271,085.40, 406,044.90 and 224,429.40

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Solution

The fourth proportional to 271,085.40, 406,044.90 and 224,429.40 is: 336,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,085.40 : 406,044.90 = 224,429.40 : x
  2. Step 2: Convert to fraction form
    271,085.40/406,044.90 = 224,429.40/x
  3. Step 3: Cross multiply
    271,085.40x = 406,044.90 × 224,429.40
  4. Step 4: Simplify right side
    271,085.40x = 91,128,413,280.06
  5. Step 5: Solve for x
    x = 91,128,413,280.06/271,085.40
  6. Step 6: Final answer
    x = 336,161.27

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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.