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Finding the Fourth Proportional to 368,102.60, 551,497.80 and 227,697.20

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Solution

The fourth proportional to 368,102.60, 551,497.80 and 227,697.20 is: 341,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,102.60 : 551,497.80 = 227,697.20 : x
  2. Step 2: Convert to fraction form
    368,102.60/551,497.80 = 227,697.20/x
  3. Step 3: Cross multiply
    368,102.60x = 551,497.80 × 227,697.20
  4. Step 4: Simplify right side
    368,102.60x = 125,574,504,866.16
  5. Step 5: Solve for x
    x = 125,574,504,866.16/368,102.60
  6. Step 6: Final answer
    x = 341,139.96

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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.