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Finding the Fourth Proportional to 526,634.65, 726,842.75 and 322,798.96

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Solution

The fourth proportional to 526,634.65, 726,842.75 and 322,798.96 is: 445,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,634.65 : 726,842.75 = 322,798.96 : x
  2. Step 2: Convert to fraction form
    526,634.65/726,842.75 = 322,798.96/x
  3. Step 3: Cross multiply
    526,634.65x = 726,842.75 × 322,798.96
  4. Step 4: Simplify right side
    526,634.65x = 234,624,083,783.54
  5. Step 5: Solve for x
    x = 234,624,083,783.54/526,634.65
  6. Step 6: Final answer
    x = 445,515.85

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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.