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Finding the Fourth Proportional to 271,274.10, 406,949.55 and 84,266.10

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Solution

The fourth proportional to 271,274.10, 406,949.55 and 84,266.10 is: 126,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,274.10 : 406,949.55 = 84,266.10 : x
  2. Step 2: Convert to fraction form
    271,274.10/406,949.55 = 84,266.10/x
  3. Step 3: Cross multiply
    271,274.10x = 406,949.55 × 84,266.10
  4. Step 4: Simplify right side
    271,274.10x = 34,292,051,475.26
  5. Step 5: Solve for x
    x = 34,292,051,475.26/271,274.10
  6. Step 6: Final answer
    x = 126,411.08

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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.