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Finding the Fourth Proportional to 329,840.40, 494,760.60 and 223,552.20

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Solution

The fourth proportional to 329,840.40, 494,760.60 and 223,552.20 is: 335,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,840.40 : 494,760.60 = 223,552.20 : x
  2. Step 2: Convert to fraction form
    329,840.40/494,760.60 = 223,552.20/x
  3. Step 3: Cross multiply
    329,840.40x = 494,760.60 × 223,552.20
  4. Step 4: Simplify right side
    329,840.40x = 110,604,820,603.32
  5. Step 5: Solve for x
    x = 110,604,820,603.32/329,840.40
  6. Step 6: Final answer
    x = 335,328.30

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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.