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Finding the Fourth Proportional to 355,249.48, 533,253.50 and 152,945.68

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Solution

The fourth proportional to 355,249.48, 533,253.50 and 152,945.68 is: 229,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,249.48 : 533,253.50 = 152,945.68 : x
  2. Step 2: Convert to fraction form
    355,249.48/533,253.50 = 152,945.68/x
  3. Step 3: Cross multiply
    355,249.48x = 533,253.50 × 152,945.68
  4. Step 4: Simplify right side
    355,249.48x = 81,558,819,169.88
  5. Step 5: Solve for x
    x = 81,558,819,169.88/355,249.48
  6. Step 6: Final answer
    x = 229,581.81

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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.