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Finding the Fourth Proportional to 886,462.15, 1,329,451.04 and 317,737.24

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Solution

The fourth proportional to 886,462.15, 1,329,451.04 and 317,737.24 is: 476,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,462.15 : 1,329,451.04 = 317,737.24 : x
  2. Step 2: Convert to fraction form
    886,462.15/1,329,451.04 = 317,737.24/x
  3. Step 3: Cross multiply
    886,462.15x = 1,329,451.04 × 317,737.24
  4. Step 4: Simplify right side
    886,462.15x = 422,416,104,164.73
  5. Step 5: Solve for x
    x = 422,416,104,164.73/886,462.15
  6. Step 6: Final answer
    x = 476,519.05

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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.