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Finding the Fourth Proportional to 401,977.60, 603,355.20 and 244,513.60

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Solution

The fourth proportional to 401,977.60, 603,355.20 and 244,513.60 is: 367,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,977.60 : 603,355.20 = 244,513.60 : x
  2. Step 2: Convert to fraction form
    401,977.60/603,355.20 = 244,513.60/x
  3. Step 3: Cross multiply
    401,977.60x = 603,355.20 × 244,513.60
  4. Step 4: Simplify right side
    401,977.60x = 147,528,552,030.72
  5. Step 5: Solve for x
    x = 147,528,552,030.72/401,977.60
  6. Step 6: Final answer
    x = 367,006.90

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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.