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Finding the Fourth Proportional to 353,839.01, 530,914.77 and 274,565.73

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Solution

The fourth proportional to 353,839.01, 530,914.77 and 274,565.73 is: 411,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,839.01 : 530,914.77 = 274,565.73 : x
  2. Step 2: Convert to fraction form
    353,839.01/530,914.77 = 274,565.73/x
  3. Step 3: Cross multiply
    353,839.01x = 530,914.77 × 274,565.73
  4. Step 4: Simplify right side
    353,839.01x = 145,771,001,392.83
  5. Step 5: Solve for x
    x = 145,771,001,392.83/353,839.01
  6. Step 6: Final answer
    x = 411,969.84

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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.