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Finding the Fourth Proportional to 323,157.63, 484,486.68 and 163,151.21

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Solution

The fourth proportional to 323,157.63, 484,486.68 and 163,151.21 is: 244,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,157.63 : 484,486.68 = 163,151.21 : x
  2. Step 2: Convert to fraction form
    323,157.63/484,486.68 = 163,151.21/x
  3. Step 3: Cross multiply
    323,157.63x = 484,486.68 × 163,151.21
  4. Step 4: Simplify right side
    323,157.63x = 79,044,589,893.92
  5. Step 5: Solve for x
    x = 79,044,589,893.92/323,157.63
  6. Step 6: Final answer
    x = 244,600.72

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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.