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Finding the Fourth Proportional to 481,392.76, 664,327.38 and 266,552.68

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Solution

The fourth proportional to 481,392.76, 664,327.38 and 266,552.68 is: 367,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,392.76 : 664,327.38 = 266,552.68 : x
  2. Step 2: Convert to fraction form
    481,392.76/664,327.38 = 266,552.68/x
  3. Step 3: Cross multiply
    481,392.76x = 664,327.38 × 266,552.68
  4. Step 4: Simplify right side
    481,392.76x = 177,078,243,536.38
  5. Step 5: Solve for x
    x = 177,078,243,536.38/481,392.76
  6. Step 6: Final answer
    x = 367,845.67

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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.