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Finding the Fourth Proportional to 322,466.60, 483,354.30 and 122,709.80

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Solution

The fourth proportional to 322,466.60, 483,354.30 and 122,709.80 is: 183,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,466.60 : 483,354.30 = 122,709.80 : x
  2. Step 2: Convert to fraction form
    322,466.60/483,354.30 = 122,709.80/x
  3. Step 3: Cross multiply
    322,466.60x = 483,354.30 × 122,709.80
  4. Step 4: Simplify right side
    322,466.60x = 59,312,309,482.14
  5. Step 5: Solve for x
    x = 59,312,309,482.14/322,466.60
  6. Step 6: Final answer
    x = 183,933.19

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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.