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Finding the Fourth Proportional to 481,466.88, 664,416.12 and 266,602.32

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Solution

The fourth proportional to 481,466.88, 664,416.12 and 266,602.32 is: 367,906.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,466.88 : 664,416.12 = 266,602.32 : x
  2. Step 2: Convert to fraction form
    481,466.88/664,416.12 = 266,602.32/x
  3. Step 3: Cross multiply
    481,466.88x = 664,416.12 × 266,602.32
  4. Step 4: Simplify right side
    481,466.88x = 177,134,879,037.40
  5. Step 5: Solve for x
    x = 177,134,879,037.40/481,466.88
  6. Step 6: Final answer
    x = 367,906.68

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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.