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Finding the Fourth Proportional to 441,316.20, 660,662.10 and 441,316.20

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Solution

The fourth proportional to 441,316.20, 660,662.10 and 441,316.20 is: 660,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,316.20 : 660,662.10 = 441,316.20 : x
  2. Step 2: Convert to fraction form
    441,316.20/660,662.10 = 441,316.20/x
  3. Step 3: Cross multiply
    441,316.20x = 660,662.10 × 441,316.20
  4. Step 4: Simplify right side
    441,316.20x = 291,560,887,456.02
  5. Step 5: Solve for x
    x = 291,560,887,456.02/441,316.20
  6. Step 6: Final answer
    x = 660,662.10

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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.