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Finding the Fourth Proportional to 481,302.56, 664,176 and 266,427.44

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Solution

The fourth proportional to 481,302.56, 664,176 and 266,427.44 is: 367,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,302.56 : 664,176 = 266,427.44 : x
  2. Step 2: Convert to fraction form
    481,302.56/664,176 = 266,427.44/x
  3. Step 3: Cross multiply
    481,302.56x = 664,176 × 266,427.44
  4. Step 4: Simplify right side
    481,302.56x = 176,954,711,389.44
  5. Step 5: Solve for x
    x = 176,954,711,389.44/481,302.56
  6. Step 6: Final answer
    x = 367,657.95

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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.