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Finding the Fourth Proportional to 379,693.80, 569,540.70 and 244,974.60

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Solution

The fourth proportional to 379,693.80, 569,540.70 and 244,974.60 is: 367,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,693.80 : 569,540.70 = 244,974.60 : x
  2. Step 2: Convert to fraction form
    379,693.80/569,540.70 = 244,974.60/x
  3. Step 3: Cross multiply
    379,693.80x = 569,540.70 × 244,974.60
  4. Step 4: Simplify right side
    379,693.80x = 139,523,005,166.22
  5. Step 5: Solve for x
    x = 139,523,005,166.22/379,693.80
  6. Step 6: Final answer
    x = 367,461.90

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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.