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Finding the Fourth Proportional to 433,065.40, 649,598.10 and 273,633.10

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Solution

The fourth proportional to 433,065.40, 649,598.10 and 273,633.10 is: 410,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,065.40 : 649,598.10 = 273,633.10 : x
  2. Step 2: Convert to fraction form
    433,065.40/649,598.10 = 273,633.10/x
  3. Step 3: Cross multiply
    433,065.40x = 649,598.10 × 273,633.10
  4. Step 4: Simplify right side
    433,065.40x = 177,751,541,857.11
  5. Step 5: Solve for x
    x = 177,751,541,857.11/433,065.40
  6. Step 6: Final answer
    x = 410,449.65

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Double scale
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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.