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Finding the Fourth Proportional to 303,403.62, 454,973.10 and 161,214.65

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Solution

The fourth proportional to 303,403.62, 454,973.10 and 161,214.65 is: 241,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,403.62 : 454,973.10 = 161,214.65 : x
  2. Step 2: Convert to fraction form
    303,403.62/454,973.10 = 161,214.65/x
  3. Step 3: Cross multiply
    303,403.62x = 454,973.10 × 161,214.65
  4. Step 4: Simplify right side
    303,403.62x = 73,348,331,368.70
  5. Step 5: Solve for x
    x = 73,348,331,368.70/303,403.62
  6. Step 6: Final answer
    x = 241,751.67

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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.