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Finding the Fourth Proportional to 323,950.60, 485,925.90 and 113,609.80

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Solution

The fourth proportional to 323,950.60, 485,925.90 and 113,609.80 is: 170,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,950.60 : 485,925.90 = 113,609.80 : x
  2. Step 2: Convert to fraction form
    323,950.60/485,925.90 = 113,609.80/x
  3. Step 3: Cross multiply
    323,950.60x = 485,925.90 × 113,609.80
  4. Step 4: Simplify right side
    323,950.60x = 55,205,944,313.82
  5. Step 5: Solve for x
    x = 55,205,944,313.82/323,950.60
  6. Step 6: Final answer
    x = 170,414.70

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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.