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Finding the Fourth Proportional to 481,996.52, 665,155.16 and 291,056.84

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Solution

The fourth proportional to 481,996.52, 665,155.16 and 291,056.84 is: 401,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,996.52 : 665,155.16 = 291,056.84 : x
  2. Step 2: Convert to fraction form
    481,996.52/665,155.16 = 291,056.84/x
  3. Step 3: Cross multiply
    481,996.52x = 665,155.16 × 291,056.84
  4. Step 4: Simplify right side
    481,996.52x = 193,597,958,979.29
  5. Step 5: Solve for x
    x = 193,597,958,979.29/481,996.52
  6. Step 6: Final answer
    x = 401,658.42

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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.