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Finding the Fourth Proportional to 544,605.98, 751,565.91 and 302,888.65

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Solution

The fourth proportional to 544,605.98, 751,565.91 and 302,888.65 is: 417,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,605.98 : 751,565.91 = 302,888.65 : x
  2. Step 2: Convert to fraction form
    544,605.98/751,565.91 = 302,888.65/x
  3. Step 3: Cross multiply
    544,605.98x = 751,565.91 × 302,888.65
  4. Step 4: Simplify right side
    544,605.98x = 227,640,783,865.92
  5. Step 5: Solve for x
    x = 227,640,783,865.92/544,605.98
  6. Step 6: Final answer
    x = 417,991.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.