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Finding the Fourth Proportional to 216,620.16, 324,928.08 and 164,350.32

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Solution

The fourth proportional to 216,620.16, 324,928.08 and 164,350.32 is: 246,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,620.16 : 324,928.08 = 164,350.32 : x
  2. Step 2: Convert to fraction form
    216,620.16/324,928.08 = 164,350.32/x
  3. Step 3: Cross multiply
    216,620.16x = 324,928.08 × 164,350.32
  4. Step 4: Simplify right side
    216,620.16x = 53,402,033,924.99
  5. Step 5: Solve for x
    x = 53,402,033,924.99/216,620.16
  6. Step 6: Final answer
    x = 246,523.84

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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.