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Finding the Fourth Proportional to 471,020.50, 649,994.42 and 267,090.04

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Solution

The fourth proportional to 471,020.50, 649,994.42 and 267,090.04 is: 368,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,020.50 : 649,994.42 = 267,090.04 : x
  2. Step 2: Convert to fraction form
    471,020.50/649,994.42 = 267,090.04/x
  3. Step 3: Cross multiply
    471,020.50x = 649,994.42 × 267,090.04
  4. Step 4: Simplify right side
    471,020.50x = 173,607,037,117.80
  5. Step 5: Solve for x
    x = 173,607,037,117.80/471,020.50
  6. Step 6: Final answer
    x = 368,576.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.