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Finding the Fourth Proportional to 479,989.99, 662,379.46 and 262,196.08

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Solution

The fourth proportional to 479,989.99, 662,379.46 and 262,196.08 is: 361,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,989.99 : 662,379.46 = 262,196.08 : x
  2. Step 2: Convert to fraction form
    479,989.99/662,379.46 = 262,196.08/x
  3. Step 3: Cross multiply
    479,989.99x = 662,379.46 × 262,196.08
  4. Step 4: Simplify right side
    479,989.99x = 173,673,295,573.08
  5. Step 5: Solve for x
    x = 173,673,295,573.08/479,989.99
  6. Step 6: Final answer
    x = 361,826.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.