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Finding the Fourth Proportional to 404,158.09, 606,441.53 and 269,313.97

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Solution

The fourth proportional to 404,158.09, 606,441.53 and 269,313.97 is: 404,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,158.09 : 606,441.53 = 269,313.97 : x
  2. Step 2: Convert to fraction form
    404,158.09/606,441.53 = 269,313.97/x
  3. Step 3: Cross multiply
    404,158.09x = 606,441.53 × 269,313.97
  4. Step 4: Simplify right side
    404,158.09x = 163,323,174,670.60
  5. Step 5: Solve for x
    x = 163,323,174,670.60/404,158.09
  6. Step 6: Final answer
    x = 404,107.15

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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.