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Finding the Fourth Proportional to 329,010.40, 493,515.60 and 222,722.20

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Solution

The fourth proportional to 329,010.40, 493,515.60 and 222,722.20 is: 334,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,010.40 : 493,515.60 = 222,722.20 : x
  2. Step 2: Convert to fraction form
    329,010.40/493,515.60 = 222,722.20/x
  3. Step 3: Cross multiply
    329,010.40x = 493,515.60 × 222,722.20
  4. Step 4: Simplify right side
    329,010.40x = 109,916,880,166.32
  5. Step 5: Solve for x
    x = 109,916,880,166.32/329,010.40
  6. Step 6: Final answer
    x = 334,083.30

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1.5x scale

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.