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Finding the Fourth Proportional to 348,808.60, 523,212.90 and 112,175.20

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Solution

The fourth proportional to 348,808.60, 523,212.90 and 112,175.20 is: 168,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,808.60 : 523,212.90 = 112,175.20 : x
  2. Step 2: Convert to fraction form
    348,808.60/523,212.90 = 112,175.20/x
  3. Step 3: Cross multiply
    348,808.60x = 523,212.90 × 112,175.20
  4. Step 4: Simplify right side
    348,808.60x = 58,691,511,700.08
  5. Step 5: Solve for x
    x = 58,691,511,700.08/348,808.60
  6. Step 6: Final answer
    x = 168,262.80

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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.