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Finding the Fourth Proportional to 324,054.56, 482,395.24 and 308,786.72

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Solution

The fourth proportional to 324,054.56, 482,395.24 and 308,786.72 is: 459,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,054.56 : 482,395.24 = 308,786.72 : x
  2. Step 2: Convert to fraction form
    324,054.56/482,395.24 = 308,786.72/x
  3. Step 3: Cross multiply
    324,054.56x = 482,395.24 × 308,786.72
  4. Step 4: Simplify right side
    324,054.56x = 148,957,243,903.21
  5. Step 5: Solve for x
    x = 148,957,243,903.21/324,054.56
  6. Step 6: Final answer
    x = 459,667.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.