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Finding the Fourth Proportional to 271,656.40, 407,484.60 and 201,672.40

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Solution

The fourth proportional to 271,656.40, 407,484.60 and 201,672.40 is: 302,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,656.40 : 407,484.60 = 201,672.40 : x
  2. Step 2: Convert to fraction form
    271,656.40/407,484.60 = 201,672.40/x
  3. Step 3: Cross multiply
    271,656.40x = 407,484.60 × 201,672.40
  4. Step 4: Simplify right side
    271,656.40x = 82,178,397,245.04
  5. Step 5: Solve for x
    x = 82,178,397,245.04/271,656.40
  6. Step 6: Final answer
    x = 302,508.60

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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.