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Finding the Fourth Proportional to 329,049.90, 492,590.70 and 195,861.60

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Solution

The fourth proportional to 329,049.90, 492,590.70 and 195,861.60 is: 293,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,049.90 : 492,590.70 = 195,861.60 : x
  2. Step 2: Convert to fraction form
    329,049.90/492,590.70 = 195,861.60/x
  3. Step 3: Cross multiply
    329,049.90x = 492,590.70 × 195,861.60
  4. Step 4: Simplify right side
    329,049.90x = 96,479,602,647.12
  5. Step 5: Solve for x
    x = 96,479,602,647.12/329,049.90
  6. Step 6: Final answer
    x = 293,206.60

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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.