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Finding the Fourth Proportional to 322,521.40, 483,926.10 and 112,310.20

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Solution

The fourth proportional to 322,521.40, 483,926.10 and 112,310.20 is: 168,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,521.40 : 483,926.10 = 112,310.20 : x
  2. Step 2: Convert to fraction form
    322,521.40/483,926.10 = 112,310.20/x
  3. Step 3: Cross multiply
    322,521.40x = 483,926.10 × 112,310.20
  4. Step 4: Simplify right side
    322,521.40x = 54,349,837,076.22
  5. Step 5: Solve for x
    x = 54,349,837,076.22/322,521.40
  6. Step 6: Final answer
    x = 168,515.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.