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Finding the Fourth Proportional to 271,722.60, 406,806.30 and 240,618.60

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Solution

The fourth proportional to 271,722.60, 406,806.30 and 240,618.60 is: 360,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,722.60 : 406,806.30 = 240,618.60 : x
  2. Step 2: Convert to fraction form
    271,722.60/406,806.30 = 240,618.60/x
  3. Step 3: Cross multiply
    271,722.60x = 406,806.30 × 240,618.60
  4. Step 4: Simplify right side
    271,722.60x = 97,885,162,377.18
  5. Step 5: Solve for x
    x = 97,885,162,377.18/271,722.60
  6. Step 6: Final answer
    x = 360,239.31

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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.