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Finding the Fourth Proportional to 368,914.95, 553,372.52 and 284,797.89

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Solution

The fourth proportional to 368,914.95, 553,372.52 and 284,797.89 is: 427,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,914.95 : 553,372.52 = 284,797.89 : x
  2. Step 2: Convert to fraction form
    368,914.95/553,372.52 = 284,797.89/x
  3. Step 3: Cross multiply
    368,914.95x = 553,372.52 × 284,797.89
  4. Step 4: Simplify right side
    368,914.95x = 157,599,324,655.99
  5. Step 5: Solve for x
    x = 157,599,324,655.99/368,914.95
  6. Step 6: Final answer
    x = 427,196.90

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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.