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Finding the Fourth Proportional to 433,809.40, 650,714.10 and 220,576.90

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Solution

The fourth proportional to 433,809.40, 650,714.10 and 220,576.90 is: 330,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,809.40 : 650,714.10 = 220,576.90 : x
  2. Step 2: Convert to fraction form
    433,809.40/650,714.10 = 220,576.90/x
  3. Step 3: Cross multiply
    433,809.40x = 650,714.10 × 220,576.90
  4. Step 4: Simplify right side
    433,809.40x = 143,532,498,964.29
  5. Step 5: Solve for x
    x = 143,532,498,964.29/433,809.40
  6. Step 6: Final answer
    x = 330,865.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.