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Finding the Fourth Proportional to 302,338.17, 453,609.32 and 133,835.29

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Solution

The fourth proportional to 302,338.17, 453,609.32 and 133,835.29 is: 200,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,338.17 : 453,609.32 = 133,835.29 : x
  2. Step 2: Convert to fraction form
    302,338.17/453,609.32 = 133,835.29/x
  3. Step 3: Cross multiply
    302,338.17x = 453,609.32 × 133,835.29
  4. Step 4: Simplify right side
    302,338.17x = 60,708,933,085.70
  5. Step 5: Solve for x
    x = 60,708,933,085.70/302,338.17
  6. Step 6: Final answer
    x = 200,798.11

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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.