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Finding the Fourth Proportional to 483,378.92, 667,148.42 and 361,482.92

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Solution

The fourth proportional to 483,378.92, 667,148.42 and 361,482.92 is: 498,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,378.92 : 667,148.42 = 361,482.92 : x
  2. Step 2: Convert to fraction form
    483,378.92/667,148.42 = 361,482.92/x
  3. Step 3: Cross multiply
    483,378.92x = 667,148.42 × 361,482.92
  4. Step 4: Simplify right side
    483,378.92x = 241,162,758,934.99
  5. Step 5: Solve for x
    x = 241,162,758,934.99/483,378.92
  6. Step 6: Final answer
    x = 498,910.38

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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.