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Finding the Fourth Proportional to 485,096.60, 727,644.90 and 248,900.60

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Solution

The fourth proportional to 485,096.60, 727,644.90 and 248,900.60 is: 373,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,096.60 : 727,644.90 = 248,900.60 : x
  2. Step 2: Convert to fraction form
    485,096.60/727,644.90 = 248,900.60/x
  3. Step 3: Cross multiply
    485,096.60x = 727,644.90 × 248,900.60
  4. Step 4: Simplify right side
    485,096.60x = 181,111,252,196.94
  5. Step 5: Solve for x
    x = 181,111,252,196.94/485,096.60
  6. Step 6: Final answer
    x = 373,350.90

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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.