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Finding the Fourth Proportional to 433,245.83, 649,808.49 and 133,736.18

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Solution

The fourth proportional to 433,245.83, 649,808.49 and 133,736.18 is: 200,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,245.83 : 649,808.49 = 133,736.18 : x
  2. Step 2: Convert to fraction form
    433,245.83/649,808.49 = 133,736.18/x
  3. Step 3: Cross multiply
    433,245.83x = 649,808.49 × 133,736.18
  4. Step 4: Simplify right side
    433,245.83x = 86,902,905,184.17
  5. Step 5: Solve for x
    x = 86,902,905,184.17/433,245.83
  6. Step 6: Final answer
    x = 200,585.67

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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.