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Finding the Fourth Proportional to 441,602.70, 662,404.05 and 220,418.70

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Solution

The fourth proportional to 441,602.70, 662,404.05 and 220,418.70 is: 330,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,602.70 : 662,404.05 = 220,418.70 : x
  2. Step 2: Convert to fraction form
    441,602.70/662,404.05 = 220,418.70/x
  3. Step 3: Cross multiply
    441,602.70x = 662,404.05 × 220,418.70
  4. Step 4: Simplify right side
    441,602.70x = 146,006,239,575.74
  5. Step 5: Solve for x
    x = 146,006,239,575.74/441,602.70
  6. Step 6: Final answer
    x = 330,628.05

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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.