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Finding the Fourth Proportional to 483,226.84, 666,773.01 and 279,296.78

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Solution

The fourth proportional to 483,226.84, 666,773.01 and 279,296.78 is: 385,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,226.84 : 666,773.01 = 279,296.78 : x
  2. Step 2: Convert to fraction form
    483,226.84/666,773.01 = 279,296.78/x
  3. Step 3: Cross multiply
    483,226.84x = 666,773.01 × 279,296.78
  4. Step 4: Simplify right side
    483,226.84x = 186,227,554,683.91
  5. Step 5: Solve for x
    x = 186,227,554,683.91/483,226.84
  6. Step 6: Final answer
    x = 385,383.30

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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.