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Finding the Fourth Proportional to 368,000.87, 551,861.20 and 241,607.31

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Solution

The fourth proportional to 368,000.87, 551,861.20 and 241,607.31 is: 362,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,000.87 : 551,861.20 = 241,607.31 : x
  2. Step 2: Convert to fraction form
    368,000.87/551,861.20 = 241,607.31/x
  3. Step 3: Cross multiply
    368,000.87x = 551,861.20 × 241,607.31
  4. Step 4: Simplify right side
    368,000.87x = 133,333,700,025.37
  5. Step 5: Solve for x
    x = 133,333,700,025.37/368,000.87
  6. Step 6: Final answer
    x = 362,318.98

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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.