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Finding the Fourth Proportional to 271,810.60, 406,938.30 and 271,810.60

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Solution

The fourth proportional to 271,810.60, 406,938.30 and 271,810.60 is: 406,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,810.60 : 406,938.30 = 271,810.60 : x
  2. Step 2: Convert to fraction form
    271,810.60/406,938.30 = 271,810.60/x
  3. Step 3: Cross multiply
    271,810.60x = 406,938.30 × 271,810.60
  4. Step 4: Simplify right side
    271,810.60x = 110,610,143,485.98
  5. Step 5: Solve for x
    x = 110,610,143,485.98/271,810.60
  6. Step 6: Final answer
    x = 406,938.30

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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.