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Finding the Fourth Proportional to 216,313.34, 324,240.24 and 127,608.62

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Solution

The fourth proportional to 216,313.34, 324,240.24 and 127,608.62 is: 191,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,313.34 : 324,240.24 = 127,608.62 : x
  2. Step 2: Convert to fraction form
    216,313.34/324,240.24 = 127,608.62/x
  3. Step 3: Cross multiply
    216,313.34x = 324,240.24 × 127,608.62
  4. Step 4: Simplify right side
    216,313.34x = 41,375,849,574.87
  5. Step 5: Solve for x
    x = 41,375,849,574.87/216,313.34
  6. Step 6: Final answer
    x = 191,277.38

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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.