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Finding the Fourth Proportional to 322,266.60, 483,254.10 and 122,520.60

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Solution

The fourth proportional to 322,266.60, 483,254.10 and 122,520.60 is: 183,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,266.60 : 483,254.10 = 122,520.60 : x
  2. Step 2: Convert to fraction form
    322,266.60/483,254.10 = 122,520.60/x
  3. Step 3: Cross multiply
    322,266.60x = 483,254.10 × 122,520.60
  4. Step 4: Simplify right side
    322,266.60x = 59,208,582,284.46
  5. Step 5: Solve for x
    x = 59,208,582,284.46/322,266.60
  6. Step 6: Final answer
    x = 183,725.47

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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.