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Finding the Fourth Proportional to 302,291.48, 453,495.54 and 169,321.88

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Solution

The fourth proportional to 302,291.48, 453,495.54 and 169,321.88 is: 254,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,291.48 : 453,495.54 = 169,321.88 : x
  2. Step 2: Convert to fraction form
    302,291.48/453,495.54 = 169,321.88/x
  3. Step 3: Cross multiply
    302,291.48x = 453,495.54 × 169,321.88
  4. Step 4: Simplify right side
    302,291.48x = 76,786,717,404.42
  5. Step 5: Solve for x
    x = 76,786,717,404.42/302,291.48
  6. Step 6: Final answer
    x = 254,015.49

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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.