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Finding the Fourth Proportional to 302,709.40, 453,845.40 and 169,630.46

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Solution

The fourth proportional to 302,709.40, 453,845.40 and 169,630.46 is: 254,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,709.40 : 453,845.40 = 169,630.46 : x
  2. Step 2: Convert to fraction form
    302,709.40/453,845.40 = 169,630.46/x
  3. Step 3: Cross multiply
    302,709.40x = 453,845.40 × 169,630.46
  4. Step 4: Simplify right side
    302,709.40x = 76,986,003,970.88
  5. Step 5: Solve for x
    x = 76,986,003,970.88/302,709.40
  6. Step 6: Final answer
    x = 254,323.14

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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.