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Finding the Fourth Proportional to 353,536.25, 530,310.04 and 335,591.91

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Solution

The fourth proportional to 353,536.25, 530,310.04 and 335,591.91 is: 503,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,536.25 : 530,310.04 = 335,591.91 : x
  2. Step 2: Convert to fraction form
    353,536.25/530,310.04 = 335,591.91/x
  3. Step 3: Cross multiply
    353,536.25x = 530,310.04 × 335,591.91
  4. Step 4: Simplify right side
    353,536.25x = 177,967,758,376.80
  5. Step 5: Solve for x
    x = 177,967,758,376.80/353,536.25
  6. Step 6: Final answer
    x = 503,393.25

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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.