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Finding the Fourth Proportional to 441,349.95, 661,506.53 and 204,191.67

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Solution

The fourth proportional to 441,349.95, 661,506.53 and 204,191.67 is: 306,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,349.95 : 661,506.53 = 204,191.67 : x
  2. Step 2: Convert to fraction form
    441,349.95/661,506.53 = 204,191.67/x
  3. Step 3: Cross multiply
    441,349.95x = 661,506.53 × 204,191.67
  4. Step 4: Simplify right side
    441,349.95x = 135,074,122,055.65
  5. Step 5: Solve for x
    x = 135,074,122,055.65/441,349.95
  6. Step 6: Final answer
    x = 306,047.67

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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.