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Finding the Fourth Proportional to 296,653.92, 445,046.90 and 163,465.62

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Solution

The fourth proportional to 296,653.92, 445,046.90 and 163,465.62 is: 245,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,653.92 : 445,046.90 = 163,465.62 : x
  2. Step 2: Convert to fraction form
    296,653.92/445,046.90 = 163,465.62/x
  3. Step 3: Cross multiply
    296,653.92x = 445,046.90 × 163,465.62
  4. Step 4: Simplify right side
    296,653.92x = 72,749,866,620.25
  5. Step 5: Solve for x
    x = 72,749,866,620.25/296,653.92
  6. Step 6: Final answer
    x = 245,234.81

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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.