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Finding the Fourth Proportional to 272,996.40, 409,494.60 and 248,064.60

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Solution

The fourth proportional to 272,996.40, 409,494.60 and 248,064.60 is: 372,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,996.40 : 409,494.60 = 248,064.60 : x
  2. Step 2: Convert to fraction form
    272,996.40/409,494.60 = 248,064.60/x
  3. Step 3: Cross multiply
    272,996.40x = 409,494.60 × 248,064.60
  4. Step 4: Simplify right side
    272,996.40x = 101,581,114,151.16
  5. Step 5: Solve for x
    x = 101,581,114,151.16/272,996.40
  6. Step 6: Final answer
    x = 372,096.90

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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.