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Finding the Fourth Proportional to 662,168.93, 993,517.65 and 302,509.49

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Solution

The fourth proportional to 662,168.93, 993,517.65 and 302,509.49 is: 453,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,168.93 : 993,517.65 = 302,509.49 : x
  2. Step 2: Convert to fraction form
    662,168.93/993,517.65 = 302,509.49/x
  3. Step 3: Cross multiply
    662,168.93x = 993,517.65 × 302,509.49
  4. Step 4: Simplify right side
    662,168.93x = 300,548,512,639.91
  5. Step 5: Solve for x
    x = 300,548,512,639.91/662,168.93
  6. Step 6: Final answer
    x = 453,884.95

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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.