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Finding the Fourth Proportional to 302,864.45, 453,804.60 and 252,672.80

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Solution

The fourth proportional to 302,864.45, 453,804.60 and 252,672.80 is: 378,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,864.45 : 453,804.60 = 252,672.80 : x
  2. Step 2: Convert to fraction form
    302,864.45/453,804.60 = 252,672.80/x
  3. Step 3: Cross multiply
    302,864.45x = 453,804.60 × 252,672.80
  4. Step 4: Simplify right side
    302,864.45x = 114,664,078,934.88
  5. Step 5: Solve for x
    x = 114,664,078,934.88/302,864.45
  6. Step 6: Final answer
    x = 378,598.67

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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.