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Finding the Fourth Proportional to 216,544.92, 324,835.50 and 56,620.55

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Solution

The fourth proportional to 216,544.92, 324,835.50 and 56,620.55 is: 84,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,544.92 : 324,835.50 = 56,620.55 : x
  2. Step 2: Convert to fraction form
    216,544.92/324,835.50 = 56,620.55/x
  3. Step 3: Cross multiply
    216,544.92x = 324,835.50 × 56,620.55
  4. Step 4: Simplify right side
    216,544.92x = 18,392,363,045.35
  5. Step 5: Solve for x
    x = 18,392,363,045.35/216,544.92
  6. Step 6: Final answer
    x = 84,935.56

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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.