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Finding the Fourth Proportional to 271,041.40, 406,562.10 and 201,057.40

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Solution

The fourth proportional to 271,041.40, 406,562.10 and 201,057.40 is: 301,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,041.40 : 406,562.10 = 201,057.40 : x
  2. Step 2: Convert to fraction form
    271,041.40/406,562.10 = 201,057.40/x
  3. Step 3: Cross multiply
    271,041.40x = 406,562.10 × 201,057.40
  4. Step 4: Simplify right side
    271,041.40x = 81,742,318,764.54
  5. Step 5: Solve for x
    x = 81,742,318,764.54/271,041.40
  6. Step 6: Final answer
    x = 301,586.10

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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.