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Finding the Fourth Proportional to 303,813.60, 455,720.40 and 244,764.60

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Solution

The fourth proportional to 303,813.60, 455,720.40 and 244,764.60 is: 367,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,813.60 : 455,720.40 = 244,764.60 : x
  2. Step 2: Convert to fraction form
    303,813.60/455,720.40 = 244,764.60/x
  3. Step 3: Cross multiply
    303,813.60x = 455,720.40 × 244,764.60
  4. Step 4: Simplify right side
    303,813.60x = 111,544,221,417.84
  5. Step 5: Solve for x
    x = 111,544,221,417.84/303,813.60
  6. Step 6: Final answer
    x = 367,146.90

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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.