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Finding the Fourth Proportional to 321,624.64, 443,551.46 and 200,777.08

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Solution

The fourth proportional to 321,624.64, 443,551.46 and 200,777.08 is: 276,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,624.64 : 443,551.46 = 200,777.08 : x
  2. Step 2: Convert to fraction form
    321,624.64/443,551.46 = 200,777.08/x
  3. Step 3: Cross multiply
    321,624.64x = 443,551.46 × 200,777.08
  4. Step 4: Simplify right side
    321,624.64x = 89,054,966,968.54
  5. Step 5: Solve for x
    x = 89,054,966,968.54/321,624.64
  6. Step 6: Final answer
    x = 276,891.00

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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.