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Finding the Fourth Proportional to 329,089.80, 492,759.90 and 329,089.80

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Solution

The fourth proportional to 329,089.80, 492,759.90 and 329,089.80 is: 492,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,089.80 : 492,759.90 = 329,089.80 : x
  2. Step 2: Convert to fraction form
    329,089.80/492,759.90 = 329,089.80/x
  3. Step 3: Cross multiply
    329,089.80x = 492,759.90 × 329,089.80
  4. Step 4: Simplify right side
    329,089.80x = 162,162,256,939.02
  5. Step 5: Solve for x
    x = 162,162,256,939.02/329,089.80
  6. Step 6: Final answer
    x = 492,759.90

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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.