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Finding the Fourth Proportional to 335,096.80, 502,645.20 and 320,581.60

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Solution

The fourth proportional to 335,096.80, 502,645.20 and 320,581.60 is: 480,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,096.80 : 502,645.20 = 320,581.60 : x
  2. Step 2: Convert to fraction form
    335,096.80/502,645.20 = 320,581.60/x
  3. Step 3: Cross multiply
    335,096.80x = 502,645.20 × 320,581.60
  4. Step 4: Simplify right side
    335,096.80x = 161,138,802,448.32
  5. Step 5: Solve for x
    x = 161,138,802,448.32/335,096.80
  6. Step 6: Final answer
    x = 480,872.40

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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.