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Finding the Fourth Proportional to 302,325.57, 453,208.37 and 133,756.47

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Solution

The fourth proportional to 302,325.57, 453,208.37 and 133,756.47 is: 200,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,325.57 : 453,208.37 = 133,756.47 : x
  2. Step 2: Convert to fraction form
    302,325.57/453,208.37 = 133,756.47/x
  3. Step 3: Cross multiply
    302,325.57x = 453,208.37 × 133,756.47
  4. Step 4: Simplify right side
    302,325.57x = 60,619,551,076.87
  5. Step 5: Solve for x
    x = 60,619,551,076.87/302,325.57
  6. Step 6: Final answer
    x = 200,510.83

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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.