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Finding the Fourth Proportional to 329,048.40, 493,572.60 and 222,760.20

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Solution

The fourth proportional to 329,048.40, 493,572.60 and 222,760.20 is: 334,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,048.40 : 493,572.60 = 222,760.20 : x
  2. Step 2: Convert to fraction form
    329,048.40/493,572.60 = 222,760.20/x
  3. Step 3: Cross multiply
    329,048.40x = 493,572.60 × 222,760.20
  4. Step 4: Simplify right side
    329,048.40x = 109,948,331,090.52
  5. Step 5: Solve for x
    x = 109,948,331,090.52/329,048.40
  6. Step 6: Final answer
    x = 334,140.30

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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.