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Finding the Fourth Proportional to 483,439.10, 667,157.84 and 265,646

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Solution

The fourth proportional to 483,439.10, 667,157.84 and 265,646 is: 366,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,439.10 : 667,157.84 = 265,646 : x
  2. Step 2: Convert to fraction form
    483,439.10/667,157.84 = 265,646/x
  3. Step 3: Cross multiply
    483,439.10x = 667,157.84 × 265,646
  4. Step 4: Simplify right side
    483,439.10x = 177,227,811,564.64
  5. Step 5: Solve for x
    x = 177,227,811,564.64/483,439.10
  6. Step 6: Final answer
    x = 366,598.01

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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.