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Finding the Fourth Proportional to 321,482.86, 482,224.28 and 108,232.94

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Solution

The fourth proportional to 321,482.86, 482,224.28 and 108,232.94 is: 162,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,482.86 : 482,224.28 = 108,232.94 : x
  2. Step 2: Convert to fraction form
    321,482.86/482,224.28 = 108,232.94/x
  3. Step 3: Cross multiply
    321,482.86x = 482,224.28 × 108,232.94
  4. Step 4: Simplify right side
    321,482.86x = 52,192,551,563.78
  5. Step 5: Solve for x
    x = 52,192,551,563.78/321,482.86
  6. Step 6: Final answer
    x = 162,349.41

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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.