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Finding the Fourth Proportional to 320,530.60, 481,314.30 and 232,402.60

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Solution

The fourth proportional to 320,530.60, 481,314.30 and 232,402.60 is: 348,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530.60 : 481,314.30 = 232,402.60 : x
  2. Step 2: Convert to fraction form
    320,530.60/481,314.30 = 232,402.60/x
  3. Step 3: Cross multiply
    320,530.60x = 481,314.30 × 232,402.60
  4. Step 4: Simplify right side
    320,530.60x = 111,858,694,737.18
  5. Step 5: Solve for x
    x = 111,858,694,737.18/320,530.60
  6. Step 6: Final answer
    x = 348,979.77

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1.5x scale

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.