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Finding the Fourth Proportional to 216,229.32, 324,324.18 and 153,319.32

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Solution

The fourth proportional to 216,229.32, 324,324.18 and 153,319.32 is: 229,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,229.32 : 324,324.18 = 153,319.32 : x
  2. Step 2: Convert to fraction form
    216,229.32/324,324.18 = 153,319.32/x
  3. Step 3: Cross multiply
    216,229.32x = 324,324.18 × 153,319.32
  4. Step 4: Simplify right side
    216,229.32x = 49,725,162,737.16
  5. Step 5: Solve for x
    x = 49,725,162,737.16/216,229.32
  6. Step 6: Final answer
    x = 229,964.94

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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.