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Finding the Fourth Proportional to 481,393.46, 664,343.74 and 266,533.53

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Solution

The fourth proportional to 481,393.46, 664,343.74 and 266,533.53 is: 367,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,393.46 : 664,343.74 = 266,533.53 : x
  2. Step 2: Convert to fraction form
    481,393.46/664,343.74 = 266,533.53/x
  3. Step 3: Cross multiply
    481,393.46x = 664,343.74 × 266,533.53
  4. Step 4: Simplify right side
    481,393.46x = 177,069,882,155.60
  5. Step 5: Solve for x
    x = 177,069,882,155.60/481,393.46
  6. Step 6: Final answer
    x = 367,827.77

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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.