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Finding the Fourth Proportional to 432,166.52, 648,249.80 and 116,622.92

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Solution

The fourth proportional to 432,166.52, 648,249.80 and 116,622.92 is: 174,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,166.52 : 648,249.80 = 116,622.92 : x
  2. Step 2: Convert to fraction form
    432,166.52/648,249.80 = 116,622.92/x
  3. Step 3: Cross multiply
    432,166.52x = 648,249.80 × 116,622.92
  4. Step 4: Simplify right side
    432,166.52x = 75,600,780,741.05
  5. Step 5: Solve for x
    x = 75,600,780,741.05/432,166.52
  6. Step 6: Final answer
    x = 174,934.38

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1.5x scale

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.