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Finding the Fourth Proportional to 411,832.62, 617,685.48 and 112,337.55

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Solution

The fourth proportional to 411,832.62, 617,685.48 and 112,337.55 is: 168,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,832.62 : 617,685.48 = 112,337.55 : x
  2. Step 2: Convert to fraction form
    411,832.62/617,685.48 = 112,337.55/x
  3. Step 3: Cross multiply
    411,832.62x = 617,685.48 × 112,337.55
  4. Step 4: Simplify right side
    411,832.62x = 69,389,273,493.77
  5. Step 5: Solve for x
    x = 69,389,273,493.77/411,832.62
  6. Step 6: Final answer
    x = 168,489.02

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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.