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Finding the Fourth Proportional to 329,029.20, 493,203.60 and 178,952.40

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Solution

The fourth proportional to 329,029.20, 493,203.60 and 178,952.40 is: 268,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,029.20 : 493,203.60 = 178,952.40 : x
  2. Step 2: Convert to fraction form
    329,029.20/493,203.60 = 178,952.40/x
  3. Step 3: Cross multiply
    329,029.20x = 493,203.60 × 178,952.40
  4. Step 4: Simplify right side
    329,029.20x = 88,259,967,908.64
  5. Step 5: Solve for x
    x = 88,259,967,908.64/329,029.20
  6. Step 6: Final answer
    x = 268,243.57

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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.