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Finding the Fourth Proportional to 481,214.01, 664,005.81 and 266,353.56

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Solution

The fourth proportional to 481,214.01, 664,005.81 and 266,353.56 is: 367,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,214.01 : 664,005.81 = 266,353.56 : x
  2. Step 2: Convert to fraction form
    481,214.01/664,005.81 = 266,353.56/x
  3. Step 3: Cross multiply
    481,214.01x = 664,005.81 × 266,353.56
  4. Step 4: Simplify right side
    481,214.01x = 176,860,311,354.18
  5. Step 5: Solve for x
    x = 176,860,311,354.18/481,214.01
  6. Step 6: Final answer
    x = 367,529.43

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1.5x scale

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.