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Finding the Fourth Proportional to 481,259.46, 664,129.98 and 266,394.90

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Solution

The fourth proportional to 481,259.46, 664,129.98 and 266,394.90 is: 367,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,259.46 : 664,129.98 = 266,394.90 : x
  2. Step 2: Convert to fraction form
    481,259.46/664,129.98 = 266,394.90/x
  3. Step 3: Cross multiply
    481,259.46x = 664,129.98 × 266,394.90
  4. Step 4: Simplify right side
    481,259.46x = 176,920,839,609.10
  5. Step 5: Solve for x
    x = 176,920,839,609.10/481,259.46
  6. Step 6: Final answer
    x = 367,620.49

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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.